Irritant
Causes skin irritation, serious eye irritation, and may cause respiratory irritation.
Eyes: Flush with water for 15 minutes and seek medical attention.
Skin: Wash with soap and plenty of water; remove contaminated clothing.
5-Methyl-4-Isoxazolecarboxylic Acid (CAS 42831-50-5) is a specialized heterocyclic organic compound. It serves as a vital intermediate in the pharmaceutical industry, specifically recognized as Leflunomide Impurity D, which is essential for manufacturers monitoring the purity and quality of anti-rheumatic drug formulations.
In the Indian market, this chemical is highly sought after by pharmaceutical R&D labs and API manufacturing units. It is utilized extensively during the validation of synthetic pathways and as a reference material for regulatory compliance under pharmacopeial standards (EP/USP).
Procurement of this chemical requires strict adherence to quality documentation, including COA and HPLC chromatograms. Buyers should source from reputable suppliers who provide certified analytical grades to ensure consistency in research and production environments.
5-Methyl-4-Isoxazolecarboxylic Acid pricing in India depends on grade, order quantity, and delivery location, and it moves with market conditions — so a single fixed price is rarely accurate for a specific requirement.
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5-Methyl-4-Isoxazolecarboxylic Acid prices in India vary by grade, order quantity and delivery location, and move with market conditions. To get the current price for your requirement, submit an enquiry on Chemical Dekho and receive verified quotes from suppliers and manufacturers within 24 hours.
Yes, it is a primary intermediate and a known impurity standard for Leflunomide.
Yes, all batches are supplied with a comprehensive COA including HPLC purity data.
Standard industrial grade is ≥ 98%, while analytical grades are ≥ 99.5%.
It is stable, but for long-term storage, refrigeration is recommended to maintain analytical integrity.
Yes, we provide bulk quantities suitable for pharmaceutical manufacturing scale-up.
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