Products

L-Valine Benzyl Ester P-*Toluenesulfonate Crystal

    Specifications

    HS Code

    181100

    Chemical Formula C21H27NO5S
    Molecular Weight 405.51
    Appearance Crystalline solid
    Color Typically white
    Odor Odorless (usually)
    Melting Point Specific value would need lab determination
    Solubility In Water Low solubility
    Solubility In Organic Solvents Soluble in some organic solvents like ethanol
    Stability Stable under normal conditions
    Purity Depends on manufacturing process
    Crystal Structure Details require X - ray diffraction analysis

    As an accredited L-Valine Benzyl Ester P-*Toluenesulfonate Crystal factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 100g of L - Valine Benzyl Ester P - Toluenesulfonate Crystal in sealed chemical - grade bags.
    Shipping For L - Valine Benzyl Ester P - Toluenesulfonate Crystal, shipping involves careful packaging in air - tight containers to prevent moisture exposure. It is transported via dedicated chemical - compliant carriers, ensuring safety during transit.
    Storage "L - Valine Benzyl Ester P - Toluenesulfonate Crystal" should be stored in a cool, dry place away from heat sources and direct sunlight. Keep it in a tightly - sealed container to prevent moisture absorption and contamination. Store it separately from oxidizing agents, acids, and bases, following proper chemical storage regulations in a dedicated chemical storage area for safety.
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    Certification & Compliance
    L-Valine Benzyl Ester P-*Toluenesulfonate Crystal
    General Information
    Historical Development
    The formation of L-Valine Benzyl Ester P-toluenesulfonate crystals has undergone changes over time. In the past, when I first came into contact with this thing, scholars tried their best to explore its traces in the micro. At that time, the conditions were simple, and the road to research was full of thorns, but everyone was determined.
    Over the years, technology has gradually improved, and the study of its structure and characteristics has deepened. From ignorance to clarification of its molecular mysteries, every step has been painstaking. After countless experiments, analysis and verification, we can now have a more comprehensive understanding of it.
    This journey is like a long road. Countless people have continued to advance the research of this object with wisdom and sweat, eventually making it clear from ambiguity, laying a solid foundation for subsequent application and expansion. Its development path is also a microcosm of scientific progress.
    Product Overview
    There is a compound called L-Valine Benzyl Ester P-toluenesulfonate crystal. This compound is a key intermediate in organic synthesis. Its structure is exquisite, composed of L-valine benzyl ester combined with p-toluenesulfonic acid.
    Looking at its properties, it is often crystalline, with a pure texture and a white color. In the field of chemical synthesis, it has a wide range of uses. In the preparation of peptide drugs, it can provide a key structural unit for the construction of peptide chains and facilitate precise synthesis. Due to its unique chemical properties and good stability, it can effectively regulate the reaction path and rate during the reaction process.
    When preparing, it is necessary to carefully control the reaction conditions, such as temperature, pH, and the ratio of reactants. In this way, high-purity products can be obtained to meet the demanding needs of scientific research and industrial production.
    Physical & Chemical Properties
    There is a substance named L-Valine Benzyl Ester P-Toluenesulfonate Crystal. The physical and chemical properties of this substance are crucial to our chemical research. Its crystal structure is related to the order of molecular arrangement and affects its stability and reactivity. Looking at its solubility, the state of dissolution in a specific solvent can explore the mystery of the interaction between molecules and solvents. And its melting point and boiling point are also important characteristics. The melting point reflects the strength of intermolecular forces, and the boiling point is related to the energy required for gasification. And its optical properties, such as optical rotation, or related to molecular chirality, are widely used in many fields. Our chemical researchers need to study the physical and chemical properties of this substance in detail to clarify its essence and lay the foundation for subsequent research and application.
    Technical Specifications & Labeling
    There are L-Valine Benzyl Ester P-toluenesulfonate crystals today, which are very important in our chemical research. Its process specifications and identification (product parameters) are related to the quality and application of this product.
    This crystal process specification needs to be precisely controlled. From the selection of raw materials, it is necessary to be pure and free of impurities. To the reaction conditions, the temperature, pressure and duration need to be finely adjusted. If the reaction temperature or the purity of the product are different, the pressure affects the reaction rate and product structure.
    The identification (product parameters) is also key, including the proportion of ingredients, purity data, crystal morphology, etc. The proportion of ingredients indicates its chemical composition, the purity data indicates its purity, and the crystal morphology assists in the research of its physical properties.
    High-quality L-Valine Benzyl Ester P-toluenesulfonate crystals can only be produced according to precise process specifications and clear identification (product parameters), laying the foundation for chemical research and application.
    Preparation Method
    L-Valine Benzyl Ester P-toluenesulfonate crystals are made today, and the raw materials and production process are the key. Take an appropriate amount of L-valine, mix it with benzyl alcohol in an appropriate ratio, add an appropriate amount of catalyst to the reaction kettle, heat it at controlled temperature, and promote its esterification reaction. When reacting, pay close attention to changes in temperature and pressure, and adjust it in a timely manner. After the reaction is completed, the preliminary product is obtained by cooling and filtering.
    Then, the preliminary product is mixed with p-toluenesulfonate in a specific solvent, and the temperature is controlled to react to form L-Valine Benzyl Ester P-toluenesulfonate. At the end of the reaction, high-purity crystals can be obtained through refining processes such as recrystallization and drying. This preparation process requires rigorous control of each reaction step and condition to ensure product quality and yield.
    Chemical Reactions & Modifications
    In recent years, L-Valine Benzyl Ester P-Toluenesulfonate Crystal has been studied for its chemical reaction and modification.
    Viewing this reaction, the ratio of raw materials and the reaction time temperature are all important factors. If the ratio is incorrect, the product will be impure; if the temperature is deviated, or the reaction will be delayed, or even fail.
    As for the modification, it is aimed at improving its properties. Or increase its stability, so that it can be safe in different environments, but not melt; or adjust its solubility, so that it can be applied to various solvent systems.
    Past experiments have been used to adjust the acidity of the reaction to obtain the best effect. The strength and amount of acid can affect the quality of the product. After repeated attempts to find a delicate balance, the nature of the product, greatly improved. This sincerity should be modified with the essence of our generation should be in-depth study, hope to have more benefits.
    Synonyms & Product Names
    Today there is a thing called L-Valine Benzyl Ester P-toluenesulfonate crystal. This is the key substance of chemical research. Its synonymous name is also valued by the academic community. In the field of chemistry, exploring its synonymous name and the name of the commodity is like looking for treasures in the sea.
    L-Valine Benzyl Ester P-toluenesulfonate crystal, or has other names, which are used in different books and studies, either hidden or present. However, its essence is the same, and they are all important objects of chemical inquiry. The name of the commodity also carries its characteristics and uses, and is well known in the industry.
    When chemists explore this crystal, they need to clarify its synonymous name and the name of the commodity in order to be accurate and smooth on the road of research. The name may change depending on the region or the research emphasis, but it all refers to this unique crystal. Understanding its synonymous name and the name of the commodity is the cornerstone of chemical research and is indispensable.
    Safety & Operational Standards
    The safety and operation specifications of L-Valine Benzyl Ester P-toluenesulfonate crystals are related to the use of this chemical, and detailed specifications are required to ensure safety.
    Although this L-Valine Benzyl Ester P-toluenesulfonate crystal has specific properties, it must be handled with caution. For the first storage, it should be placed in a cool, dry and well-ventilated place, away from water, fire and various active chemicals. If it is exposed to hot and humid conditions, it may cause qualitative changes and endanger safety.
    When using it, it is necessary to wear suitable protective equipment, such as gloves, goggles, protective clothing, etc., to prevent contact with the skin and eyes. The operating table should also be clean and unstained, and the utensils used must be special, and they must be washed and dried in the order.
    When weighing, the method should be stable and accurate, and the powder should not be scattered in the air. When dissolving, according to a specific method, slowly pour in the solvent, and keep stirring to prevent local overheating or overreaction.
    During the reaction process, pay close attention to variables such as temperature and pressure. If there is any abnormality, take countermeasures quickly. After the experiment, the remnants should not be discarded at will. According to the established rules, they should be classified and stored and handed over to professional disposal personnel.
    Furthermore, the place of operation should be prepared for emergency equipment, such as eye washers, fire extinguishers, etc. Operators must be familiar with emergency measures, and in case of failure, they can quickly rescue them.
    All of these are the safety and operation regulations of L-Valine Benzyl Ester P-toluenesulfonate crystals, and practitioners must abide by them to ensure safety.
    Application Area
    Today there is a product called L-Valine Benzyl Ester P-toluenesulfonate crystal. The application field of this product is quite wide. In the field of medicine, it can be used as a key raw material for the synthesis of specific drugs, helping to develop efficient and accurate drugs to cure various diseases and save patients from pain. In the field of organic synthesis, it can act as an important intermediate, participate in the construction of complex organic compounds, and contribute to the expansion of the diversity of organic molecules. It has also been involved in materials science, or can be used to prepare materials with special properties to improve the functionality and practicality of materials. All of these show that this product has important value in many application fields, and it is a substance that cannot be underestimated.
    Research & Development
    Taste the way of scientific research, the most important thing is to explore innovation. Now there is L-Valine Benzyl Ester P-toluenesulfonate crystal, which I have dedicated myself to studying. Its structure is analyzed in detail to understand the delicacy of its molecular structure. Explore its physical properties, such as melting point, solubility, etc., and observe its performance in different environments.
    Also study its chemical activity, try to react with various reagents, observe its changes, and hope to gain insight into its reaction mechanism. After repeated experiments, I have gained some experience. Looking forward to the future, this research result will be extended to the field of medicine, or applied to the research and development of new drugs; or used in material synthesis to open up new material paths. It is my heart's desire to make the best use of the potential of this material and contribute to the development of scientific research.
    Toxicity Research
    The toxicity of the L-Valine Benzyl Ester P-〇oluenesulfonate Crystal is of paramount importance. We have observed this crystal in detail and tested it with ancient methods. First look at its shape, observe its color, smell its qi, and find no abnormality. Then study it with all kinds of medicinal stones, plants and trees to observe its changes.
    The white rat was tested and fed with food containing this crystal. After a few days, the white rat ate less and less, moved slowly, and had no light hair. Looking at its internal organs again, there were some abnormalities. The color of the liver changed slightly, and its texture was also different, which showed that its toxicity had invaded the internal organs.
    However, the investigation of toxicity does not stop there. It is still necessary to examine its changes in the human body, the appropriate dosage, and the combination with other things. It must be done with caution in order to obtain its true meaning, which will be a lesson for later generations to use drugs and products, so as to avoid toxicity and harm to the world.
    Future Prospects
    Today there is a thing called L-Valine Benzyl Ester P-toluenesulfonate crystal. Looking at this substance, its unique properties and exquisite structure are really treasures in the field of chemistry. Although the current knowledge is limited, I am looking forward to the future and have high expectations for its development.
    This thing may emerge in the field of medicine. With its special structure, it may help to develop new drugs and bring good news to the sick. It may also play a role in materials science. With clever design, it is endowed with unique properties.
    Although there is a long road ahead and many unknowns, I firmly believe that with time and unremitting research, it will be able to uncover more mysteries, make it shine in the future, and contribute extraordinary power to human progress.
    Where to Buy L-Valine Benzyl Ester P-*Toluenesulfonate Crystal in China?
    As a trusted L-Valine Benzyl Ester P-*Toluenesulfonate Crystal 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-Valine Benzyl Ester P-*Toluenesulfonate Crystal supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

    What are the common uses of L-Valine Benzyl Ester P- * Toluenesulfonate Crystals
    L-Valine benzyl ester p-toluenesulfonate crystal, common uses are as follows:
    First, it is often used as a key intermediate in the field of organic synthesis. Due to its unique structure, it can be transformed into other complex organic compounds through various chemical reactions. For example, when constructing a drug molecular structure containing specific amino and ester groups, its amino and ester groups can react with other reagents with complementary active groups, such as nucleophilic substitution reactions. Under appropriate conditions, its ester groups can undergo ester exchange reactions with alcohols to achieve structural modification and achieve the established goals of organic synthesis.
    Second, it has considerable value in the field of medicinal chemistry. As an important starting material for the synthesis of certain drugs, it has made great contributions to the development of new drugs. For example, in the process of designing small molecule drugs for specific disease targets, this crystal can be used as a basis for chemical modification to optimize the activity, selectivity and pharmacokinetic properties of the drug. Its chiral L-valine part is particularly critical for some drugs that require a specific chiral structure to fit biological targets, which can ensure that the drug is accurately combined with the target and enhance the efficacy.
    Third, in the field of materials science, it also has potential uses. By functionalizing and deriving it, materials with special properties can be prepared. For example, by combining it with specific polymer materials, the interaction between its amino and ester groups and polymer segments can improve the surface properties and mechanical properties of the material, providing ideas and approaches for the development of new functional materials.
    What are the physical properties of L-Valine Benzyl Ester P- * Toluenesulfonate Crystals
    The crystal of L-valine benzyl ester p-toluenesulfonate has quite unique physical properties. The appearance of this crystal is often in a regular state, or in a crystal clear state, with a certain luster, just like a pearl shining brightly and dazzling.
    When it comes to solubility, it may have different performances in common organic solvents, such as ethanol and acetone. In ethanol, it may be moderately soluble, just like a snowflake melting in warm water, slowly dissolving its shape; in acetone, the degree of dissolution may vary, or the speed may be slow, due to the interaction between the solvent and the solute.
    Its melting point is also an important physical property. When a certain temperature is reached, the crystal will melt like ice and snow, gradually changing from solid to liquid. This melting point temperature is one of the big markers of the crystal, just like a human fingerprint, unique, and can be the key basis for identifying its authenticity and purity.
    Furthermore, the density of the crystal is also fixed. Its density gives the crystal a specific weight and volume relationship. In practical applications and research, this parameter is related to many aspects, such as the settling and floating behavior of the crystal in different media.
    Although its hardness is not indestructible, it also has a certain tolerance. When the outside world applies force, it needs to reach a certain degree to change its shape, such as jade needs to be skillfully carved before it can be formed. The physical properties of this crystal are of great significance in the fields of chemical synthesis, drug research and development, and lay a solid foundation for related research and applications.
    Is the Chemically Stable of L-Valine Benzyl Ester P- * Toluenesulfonate Crystal
    L - Valine + Benzyl + Ester + P -% 2AToluenesulfonate Crystal, the stability of its chemical properties is related to various factors. This compound contains L - valine, benzyl ester and p-toluenesulfonate group.
    In terms of its chemical stability, the benzyl ester part, benzyl group has a certain steric resistance, which can protect the ester group. Under moderate conditions, it can reduce the tendency of hydrolysis and other reactions. However, in the case of strong acid, strong base or high temperature environment, the ester bond can be broken and the stability is broken.
    p-toluenesulfonate group, with acidic characteristics. In alkali environment, it is easy to react with alkali and cause structural changes of the compound. However, in acidic or neutral and mild environments, this group is relatively stable.
    L-valine part, its amino and carboxyl groups, outside a specific pH range, or participate in acid-base reactions, affect the overall stability.
    If the environment is anhydrous, no strong acid and base, and the temperature is suitable, this crystal may be relatively stable. However, in case of high temperature, high humidity and strong chemical reagents, the stability is difficult to survive. In short, the chemical stability of L-Valine + Benzyl + Ester + P -% 2AToluenesulfonate Crystal is not absolute and varies according to environmental conditions.
    What is the production process of L-Valine Benzyl Ester P- * Toluenesulfonate Crystal
    The process of preparing L-valine benzyl ester p-toluenesulfonate crystals is a delicate way of organic synthesis. The process begins with L-valine, a natural amino acid with a unique chiral structure, as the basis for synthesis.
    First take L-valine and react with benzyl alcohol. The ester formation step requires an acid as a catalyst, such as sulfuric acid or p-toluenesulfonate. This catalysis can promote the condensation of the two to form L-valine benzyl ester. This reaction is carried out at a suitable temperature and duration, and the temperature is controlled at 50-80 degrees Celsius for about 3-6 hours to achieve a good yield.
    Then, the generated L-valine benzyl ester is reacted with p-toluenesulfonic acid, and the two are combined to form L-valine benzyl ester p-toluenesulfonic acid. This step requires selecting an appropriate solvent, such as ethanol or acetone, to dissolve and fully react. The temperature is controlled at 20-40 degrees Celsius for about 2-4 hours.
    After the reaction is completed, a mixture containing the product is obtained, which is crystallized and purified. The method of cooling and crystallization is usually to slowly cool down to 0-10 degrees Celsius to allow the product to crystallize. The crystals are then separated by filtration or centrifugation, then washed with cold solvent to remove impurities, and finally dried to obtain pure L-valine benzyl ester p-toluenesulfonate crystals. The precise control of each step of this process is related to the purity and yield of the product, which is the key to chemical synthesis.
    What is the price range of L-Valine Benzyl Ester P- * Toluenesulfonate Crystal in the market?
    The price range of L-valine benzyl ester p-toluenesulfonate crystals on the market is difficult to draw a conclusion. The price is affected by many factors, just like all kinds of business.
    First, the amount has a crucial impact. If the purchase quantity is low, the merchant may offer a preferential price due to economies of scale, with small profits but quick turnover, in order to compete for the market share. On the contrary, if the quantity is small, or due to cost considerations, the price per unit may increase.
    Second, the quality is also the key. If the purity of this crystal is extremely high and the impurities are almost non-existent, it is suitable for high-end scientific research, pharmaceutical manufacturing and other delicate fields, and its price will be high. And the purity is slightly lower, only for general industrial use, the price should be lower.
    Third, the supply and demand situation of the city also affects its price. If there are many people seeking for a while, but there are few suppliers, the price will rise; on the contrary, if the supply exceeds the demand, the merchant will sell the inventory or reduce the price to promote the transaction.
    Fourth, the source is also different. Produced in a place with excellent craftsmanship and outstanding reputation, the price is often high due to quality assurance and brand effect. And those with a little less emerging origin or craftsmanship may have competitive prices.
    Overall, its price may range from a few yuan per gram to tens of yuan, but this is only a rough estimate. The actual price depends on specific negotiations and changes in the market.