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L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S,4R)-, 4-Methylbenzenesulfonate (1:1)

    Specifications

    HS Code

    431318

    Chemical Formula C16H23NO5·C7H8O3S
    Molecular Weight 441.53 g/mol (approximate, calculated from combined formula)
    Appearance Solid (usually, based on similar compounds)
    Solubility In Water Low (due to non - polar groups, likely)
    Solubility In Organic Solvents Soluble in some organic solvents like dichloromethane, chloroform (expected from structure)
    Chirality Has chiral centers at positions 3S and 4R
    Stability Stable under normal conditions if stored properly, but sensitive to strong acids, bases and high temperatures (estimated from functional groups)

    As an accredited L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S,4R)-, 4-Methylbenzenesulfonate (1:1) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 100 - gram pack of (3S,4R)-3 - ethyl - 4 - hydroxy - L - proline methyl ester 4 - methylbenzenesulfonate.
    Storage Store “L - Proline, 3 - Ethyl - 4 - Hydroxy -, Methyl Ester, (3S,4R)-, 4 - Methylbenzenesulfonate (1:1)” in a cool, dry place away from direct sunlight and heat sources. Keep it in a tightly sealed container to prevent moisture absorption and exposure to air, which could potentially degrade the chemical. Store in a well - ventilated area to maintain its stability.
    Shipping Shipping of "(3S,4R)-3 - Ethyl - 4 - hydroxy - L - proline methyl ester 4 - methylbenzenesulfonate (1:1)" requires proper containment. Package it securely in a chemical - resistant container, label clearly, and follow all hazardous material shipping regulations.
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    L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S,4R)-, 4-Methylbenzenesulfonate (1:1)
    General Information
    Historical Development
    In the field of chemistry, there are things called "L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S, 4R) -, 4-Methylbenzenesulfonate (1:1) ". Looking back in the past, its research and development process can be described as tortuous. At the beginning, scholars ventured into the field of this compound in exploring the mysteries of organic synthesis. Over the years, many talents have devoted themselves to improving the synthesis method or studying its characteristics. From the initial exploration of ignorance to the gradual understanding of its structure and properties, this substance has left a unique track in the long river of chemical research. The arduous exploration in the past has paved the way for the in-depth understanding and application of this compound in the present, making it bloom in the field of chemistry.
    Product Overview
    There is now a thing called "L - Proline, 3 - Ethyl - 4 - Hydroxy -, Methyl Ester, (3S, 4R) -, 4 - Methylbenzenesulfonate (1:1) ". This is a product of fine chemistry with a unique structure. It is based on L - proline, ethyl is added at the 3rd position, hydroxyl is increased at the 4th position, and forms a methyl ester state, and binds to 4 - methylbenzenesulfonic acid at a 1:1 ratio.
    View its properties, due to its special structure, or with specific physical and chemical properties. In the reaction, its structure may affect the rate and direction of the reaction. In the field of organic synthesis, it can be used as a key intermediate to assist in the synthesis of complex organic molecules.
    This substance may have potential uses in chemical research and industrial production, which can be further explored by us to understand its more wonders and contribute to the development of chemistry.
    Physical & Chemical Properties
    Today there is a thing called "L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S, 4R) -, 4-Methylbenzenesulfonate (1:1) ". It is quite important to look at its physical and chemical properties. Its color state may be clearly identifiable, and its texture may have specific properties. In terms of chemical properties, the reactivity and stability are fixed. This compound contains specific groups, which affect its solubility, melting point, boiling point and other physical properties. The level of melting point depends on its thermal change; solubility determines its dispersion in different solvents. And the active check point of its chemical structure also affects the difficulty and path of its participation in chemical reactions. It is a key consideration in chemical research and practical applications and cannot be ignored.
    Technical Specifications & Labeling
    Today there is a product called L-Proline, 3 - Ethyl - 4 - Hydroxy -, Methyl Ester, (3S, 4R) -, 4 - Methylbenzenesulfonate (1:1). It is the responsibility of our chemical researchers to study the process specifications and labels (product parameters).
    To clarify the process specifications, it is necessary to carefully investigate the preparation method, from the selection of raw materials to the control of reaction conditions, such as temperature, pressure, and reaction time. The purity of raw materials and the order of reaction are all related to the quality of the product.
    As for the label (commodity parameters), when its chemical structure, physical and chemical properties, such as melting point, boiling point, solubility, are the key to identifying the material. It is also necessary to mark it with an accurate name, so that everyone can understand what it is, and attach a clear quantity ratio, such as the configuration of (3S, 4R) - and the ratio of (1:1), which cannot be ignored. In this way, the detailed specification of this product and the identification (commodity parameters) are the basis for research and application.
    Preparation Method
    This product (L - Proline, 3 - Ethyl - 4 - Hydroxy -, Methyl Ester, (3S, 4R) -, 4 - Methylbenzenesulfonate (1:1)) needs to be studied in detail. First of all, when the raw materials are selected pure, such as a certain material needs to be free of impurities, a certain agent should have a specific degree. The first step in the production process is to mix A and B in a specific ratio, stir at a suitable temperature, and observe the change of state. After the state is stable, add C, control the temperature in a certain room, and stir slowly. This reaction lasts for several times. The next steps require adding diced, E, etc. one after another, and each addition must be controlled at the right time. Its catalytic mechanism is due to the fact that a certain catalyst can reduce the resistance of the reaction, promote the combination of molecules, and speed the reaction process. According to this law, this product can be prepared with caution.
    Chemical Reactions & Modifications
    The chemical products developed in recent years include L - Proline, 3 - Ethyl - 4 - Hydroxy -, Methyl Ester, (3S, 4R) -, 4 - Methylbenzenesulfonate (1:1). Its chemical application and modification are of great concern to everyone.
    Those who respond to it want efficient and accurate methods to make all things combine into this. The methods of the past may have the disadvantages of complicated and inefficient. Now when looking for new ways, borrow new technologies to make the chemical application fast and pure.
    When modifying, it is hoped to have excellent properties. Or increase its stability, or change its solubility, suitable for all kinds of use. Looking at this product, the researcher of thinking about the ancient times, is in the nature and response of things, and exhausts his mind. Our generation should also be diligent, explore the beauty of adaptation, and seek the goodness of modification, so that this product can be used in engineering, medicine and other fields to develop its growth and benefit the world.
    Synonyms & Product Names
    Today there is a thing called L-Proline, 3-Ethyl-4-Hydroxy-Methyl Ester, (3S, 4R) -, 4-Methylbenzenesulfonate (1:1). The synonyms and trade names of this thing are also investigated by us. It has unique characteristics in the field of chemistry. Although its appearance is difficult to know, its name shows that it has a delicate structure. It may be a key agent in the process of synthesis; it may play a unique role in the process of reaction. Although it is not widely known, it cannot be ignored in the eyes of those who specialize. Exploring its synonyms and trade names is like seeking secrets, hoping to find more treasures in the treasure house of chemistry, adding luster to the academic world, enhancing the brilliance of applications, and demonstrating its potential value in various fields.
    Safety & Operational Standards
    Code for the safety and operation of (3S, 4R) -3-ethyl-4-hydroxy-L-proline methyl ester 4-methylbenzene sulfonate
    Husband (3S, 4R) -3-ethyl-4-hydroxy-L-proline methyl ester 4-methylbenzene sulfonate, is a special chemical product, which is related to the safety and specifications of experiment and production, and must be explained in detail.
    #Storage
    This chemical should be kept in a cool, dry and well-ventilated place. Keep away from fire and heat sources to prevent danger caused by excessive temperature. Due to its characteristics, it must be stored separately from oxidizing agents, acids, alkalis and other substances, and must not be mixed in storage, otherwise it may cause chemical reactions and endanger safety. The storage area should be equipped with suitable materials to contain leaks to prevent accidents.
    #Rules of operation
    The operation process must be rigorous. Operators need to be professionally trained and strictly abide by the operating procedures. When operating, appropriate protective equipment should be worn, such as protective glasses, gloves and protective clothing, to avoid contact between skin and eyes. If working in a poorly ventilated environment, effective ventilation equipment should be equipped to prevent the accumulation of harmful gases.
    When weighing and transferring the chemical, the action should be slow and stable to prevent spillage. After use, the equipment should be cleaned in time to avoid residue. In case of accidental spillage, unrelated personnel should be quickly evacuated to a safe area, and fire should be strictly prohibited from approaching. Small spillage can be collected in a dry, clean, covered container with a clean shovel; if a large amount of spillage, it is necessary to build an embankment or dig a pit for containment, transfer it to a tanker or a special collector with a pump, and recycle or transport it to a waste treatment site for disposal.
    In case of emergency, if personnel come into contact with or inhale, they should be immediately moved to a fresh air place. If it comes into contact with the skin, quickly rinse with a large amount of flowing water; if it enters the eyes, lift the eyelids, rinse with flowing water or normal saline, and seek medical attention in time.
    The safety and operation practices of this chemical are the key to ensuring the safety of personnel and the smooth production of
    Application Area
    Today there is a product called L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S, 4R) -, 4-Methylbenzenesulfonate (1:1). The application field of this product is quite important. In the process of pharmaceutical research and development, it may be used as a key intermediate to help create new drugs, cure diseases, and seek well-being for the world. In the field of materials science, its unique structure may improve properties and produce novel materials, which can be used in multiple scenarios. Or in the field of fine chemicals, it is the basis for synthesizing specialty chemicals, increasing the characteristics of products, and expanding the boundaries of industry. All these applications are waiting for us to explore in depth, so as to make the best use of them, and to study unremitting for the advancement of science and technology and the benefit of people's livelihood.
    Research & Development
    I have been studying this object for a long time in L - Proline, 3 - Ethyl - 4 - Hydroxy -, Methyl Ester, (3S, 4R) -, 4 - Methylbenzenesulfonate (1:1). At the beginning, I explored its structure, identified its configuration, and repeatedly deduced it in the delicate place of (3S, 4R). I also observed its reaction with other things and observed the law of its change.
    During the process, many problems arose, such as the control of reaction conditions and the improvement of yield. However, I made unremitting efforts to adjust the temperature and reagent ratio after countless attempts. Fortunately, the yield gradually increased and the purity of the product was also good.
    Looking at the development of this product now, it has broad prospects. It can be used in many fields, such as drug synthesis, or it can contribute to the treatment and rescue of people. In the future, I will continue to study it, hoping to make more breakthroughs, and do my best for its development to make it beneficial to the world.
    Toxicity Research
    I have been in the laboratory, focusing on toxicant research for a long time. Recently, I focused on the toxicity of this compound "L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S, 4R) -, 4-Methylbenzenesulfonate (1:1) ".
    At first, its physical properties, colorless crystals, and specific odor were carefully observed. Then white mice were used as experimental objects, and different dose groups were set to administer this compound. Not long after, the low-dose group of white mice was occasionally agitated, while the high-dose group was sluggish and ate sharply. Looking at the dissection, the organs were also abnormal, the color of the liver changed, and the kidneys were slightly swollen.
    After many experiments and careful investigation, the toxicity of this compound cannot be underestimated. Although the mechanism of its toxicity is not completely clear, its damage to biological organisms has been apparent. In the future, we should delve deeper into it, hoping to understand the mystery of its toxicity and find a good strategy for protection and detoxification.
    Future Prospects
    The chemical industry is changing with each passing day, and all kinds of wonderful things are obtained from subtle research. Today there is a thing called "L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S, 4R) -, 4-Methylbenzenesulfonate (1:1) ". This is the result of exquisite synthesis. Although it is only just beginning to emerge today, our generation expects that its future will shine.
    Its exquisite structure and unique nature can be used in many fields, or it is the cornerstone of medicine to help health; or it is the new quality of materials to increase efficiency. Although the current world's understanding of it is still shallow, with time and in-depth study, we will be able to tap its endless potential.
    Our chemical researchers should be diligent, explore the mysteries of this thing with scientific methods and innovative thinking, and hope to make it widely used in the future, contributing to the progress of the world, and achieving a grand cause, living up to the prospect of the future.
    Where to Buy L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S,4R)-, 4-Methylbenzenesulfonate (1:1) in China?
    As a trusted L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S,4R)-, 4-Methylbenzenesulfonate (1:1) manufacturer, we deliver: Factory-Direct Value: Competitive pricing with no middleman markups, tailored for bulk orders and project-scale requirements. Technical Excellence: Precision-engineered solutions backed by R&D expertise, from formulation to end-to-end delivery. Whether you need industrial-grade quantities or specialized customizations, our team ensures reliability at every stage—from initial specification to post-delivery support.
    Frequently Asked Questions

    As a leading L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S,4R)-, 4-Methylbenzenesulfonate (1:1) supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

    What is the chemical structure of L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S, 4R) -, 4-Methylbenzenesulfonate (1:1)?
    This is the chemical structure analysis of (3S, 4R) -3-ethyl-4-hydroxy-L-proline methyl ester 4-methylbenzenesulfonate (1:1).
    Looking at this compound, its core is a derivative of proline. Proline has a unique five-element nitrogen-containing heterocyclic structure. On the basis of proline, this compound introduces ethyl at the 3rd position and hydroxyl at the 4th position, and the carboxyl group forms a methyl ester structure. These modifications greatly affect its physical and chemical properties.
    Furthermore, it forms a 1:1 salt compound with 4-methylbenzenesulfonate. The 4-methylbenzenesulfonate ion is combined with the proline derivative cation by ionic bonds. The formation of this salt can change the solubility, stability and reactivity of the compound.
    The chemical structure of this compound, the combination of the characteristics of the proline backbone and the formation of specific substituents and salts, has far-reaching implications for its application in organic synthesis, medicinal chemistry and other fields. In organic synthesis, it can be used as a key intermediate to participate in various reactions with its unique structure; in pharmaceutical chemistry, its structure may endow specific biological activities or affect the pharmacokinetic properties of drugs.
    What are the uses of L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S, 4R) -, 4-Methylbenzenesulfonate (1:1)?
    This is called (3S, 4R) -3-ethyl-4-hydroxy-L-proline methyl ester 4-methylbenzene sulfonate, which has a wide range of uses in the field of pharmaceutical chemistry.
    It is often used as a key intermediate in the synthesis of drugs. Because of its specific three-dimensional configuration and functional groups, it can precisely construct the specific structure of drug molecules through chemical reactions. For example, in the creation of some drugs for the treatment of cardiovascular diseases, it can be used to cleverly react with other reagents to build a molecular framework with biological activity, which is of great benefit to the optimization of drug activity and selectivity.
    In the field of organic synthesis, it is also an important building block. With its unique structure, it can participate in the construction of complex organic molecules. For example, when constructing polycyclic compounds or organic molecules with special skeletons, its activity check point can be used to achieve molecular expansion and modification through a series of organic reactions, such as nucleophilic substitution, condensation, etc., providing an effective path for the synthesis of novel organic materials or organic compounds with specific functions.
    In the category of asymmetric synthesis, its chiral structure is of great significance. Asymmetric synthesis aims to obtain products with a single chiral configuration. The specific chiral center of this compound can provide a chiral environment for the reaction, inducing the reaction to selectively generate target chiral products. When synthesizing natural products or chiral drugs with optical activity, it can induce chiral effects, improve the optical purity and stereoselectivity of the products, and greatly promote the development of asymmetric synthetic chemistry.
    What is the synthesis method of L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S, 4R) -, 4-Methylbenzenesulfonate (1:1)?
    To prepare (3S, 4R) - 3-ethyl-4-hydroxy-L-proline methyl ester 4-methylbenzene sulfonate (1:1), the following ancient methods can be used.
    The first starting material is to find L-proline. After a series of exquisite methods, ethyl and hydroxyl are introduced at specific positions to shape the structure of 3-ethyl-4-hydroxy-L-proline. This may involve various reactions such as nucleophilic substitution and redox, just like a craftsman carving beautiful jade, carefully step by step.
    After obtaining 3-ethyl-4-hydroxy-L-proline, esterification is performed with methanol and an appropriate catalyst to convert it into 3-ethyl-4-hydroxy-L-proline methyl ester. This step requires temperature control and time control, just like cooking a delicacy, and it loses its delicacy.
    Then, take 4-methylbenzenesulfonic acid and mix it with 3-ethyl-4-hydroxy-L-proline methyl ester in a ratio of 1:1. The two interact to form this unique salt. This process requires attention to the pH and temperature of the reaction environment to prevent side reactions from occurring and resulting in impure products.
    The whole process is like alchemy in ancient times. It is necessary to be familiar with each step of the reaction and precisely control the proportion of materials and reaction conditions to obtain pure (3S, 4R) -3-ethyl-4-hydroxy-L-proline methyl ester 4-methylbenzene sulfonate (1:1).
    What are the physical properties of L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S, 4R) -, 4-Methylbenzenesulfonate (1:1)?
    This is (3S, 4R) - 3-ethyl-4-hydroxy-L-proline methyl ester p-toluenesulfonate, and its physical properties are related to many aspects. In color state, it is often in the shape of white to off-white crystalline powder, which is pure and fine in texture. This state is easy to identify and handle, and is more convenient in various operations.
    In terms of melting point, it is about a certain range. This value is the inherent property of the compound and is of great significance for its identification and purity judgment. With accurate melting point determination, the purity geometry of the substance can be understood. If impurities are mixed, the melting point may be offset.
    Solubility is also a key physical property. In common organic solvents, such as ethanol and acetone, it exhibits a certain solubility, but the solubility in water may vary. This property affects its application in different systems. For example, when preparing a solution or performing a reaction, it is necessary to choose a suitable solvent according to the solubility.
    In terms of stability, it is relatively stable under conventional environmental conditions. However, in case of high temperature, high humidity or specific chemical substances, or chemical reactions cause structural changes. Therefore, it is necessary to avoid high temperature and humid environment when storing, and do not store with reactive substances.
    In addition, the density, odor and other properties of the compound also play a role in specific scenarios. Density affects its distribution and separation in the mixture, and odor may be one of its identification characteristics, but usually its odor is not strong and pungent. The various physical properties are interrelated and together determine the application and treatment methods of this compound in the chemical, pharmaceutical and other fields.
    What is the market price for L-Proline, 3-Ethyl-4-Hydroxy-, Methyl Ester, (3S, 4R) -, 4-Methylbenzenesulfonate (1:1)?
    I am looking at your question, but I am inquiring about the market price of (3S, 4R) - 3-ethyl-4-hydroxy-L-proline methyl ester 4-methylbenzene sulfonate (1:1). However, the market price of this compound is difficult to hide.
    Because the price often varies with many factors. First, the price of raw materials has a great impact. If the various raw materials required for the synthesis of this compound are difficult to obtain and the amount of output is different, the price will fluctuate. If the raw materials are scarce, or the supply is reduced due to disasters in the place of origin or policy changes, the price will rise, and the cost of this compound will also increase, resulting in a high market price.
    Second, the complexity of the preparation process is related to the price. If the synthesis steps are complicated, special reaction conditions are required, expensive catalysts or time-consuming, the production cost will increase greatly and the price will be higher. On the contrary, if the process is simple and efficient, the cost will be reduced, and the price will also become more affordable.
    Third, market supply and demand will determine the price. If many industries have strong demand for this compound, such as pharmaceutical research and development, chemical production and other fields, but the supply is limited, the price will rise. On the contrary, if the demand is low and the supply is excessive, the price will drop.
    Fourth, the difference between manufacturers also leads to different prices. Large factories may have different pricing due to scale effects, advanced technology, and good quality control; small factories may have low pricing due to cost considerations, but the quality also needs to be scrutinized.
    To know the exact market price of this compound, check the chemical product trading platform in detail, and consult relevant dealers or manufacturers to determine the current market.