Hengyuan Fine Chemical | Reference Materials and Standards | 50,000+ Ready-to-Ship, High-Precision Solutions

Hengyuan Fine Chemical is a leading supplier of reference materials and standards, specializing in providing high-precision and highly reliable solutions for industries such as environmental testing, food safety, and pharmaceutical research and development. We offer nearly 50,000 ready-to-ship products, including pharmaceutical impurity reference standards, chemical analysis reference standards, pharmacopoeial titrants, biopeptide reference standards, and more, meeting the testing needs of various industries.

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Product Number	Product Name	CAS No.	Molecular Formula
Product Number:PCL-#-M809-20mg	Product Name:Malt pentose	CAS No.:34620-76-3	Molecular Formula:
Product Number:101382	Product Name:Oseltamivir phosphate impurity I ((3R,4R,5S)-4-acetamido-5-amino-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylic acid methyl ester phosphate)	CAS No.:101382-N/A	Molecular Formula:
Product Number:PCL-#-S221-20mg	Product Name:scopolamine hydrobromide	CAS No.:114-49-8	Molecular Formula:
Product Number:PCL-#-A328-20mg	Product Name:Beta-octyl ether	CAS No.:5273-86-9	Molecular Formula:
Product Number:101381	Product Name:Ramipril Impurity VI (Ramipril Diketopiperazine Acid)	CAS No.:101381-N/A	Molecular Formula:
Product Number:101380	Product Name:Ramipril Impurity V (Ramiprilat)	CAS No.:101380-N/A	Molecular Formula:
Product Number:171276	Product Name:Oxazepam impurity I ((3RS)-7-chloro-2-oxo-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepine-3-acetate)	CAS No.:#	Molecular Formula:
Product Number:100039	Product Name:6-mercaptopurine	CAS No.:50-44-2	Molecular Formula:
Product Number:171277	Product Name:Oxazepam impurity II (6-chloro-4-phenylquinazoline-2-carbaldehyde)	CAS No.:#	Molecular Formula:
Product Number:112030	Product Name:Strychnine total alkaloids control extract	CAS No.:#	Molecular Formula:
Product Number:101369	Product Name:Midodrine hydrochloride impurity I (1-(2,5-dimethoxyphenyl)-2-aminoethanol)	CAS No.:101369-N/A	Molecular Formula:
Product Number:100038	Product Name:o-Toluenesulfonamide	CAS No.:100038-N/A	Molecular Formula:
Product Number:100037	Product Name:Clotrimazole	CAS No.:23593-75-1	Molecular Formula:
Product Number:171270	Product Name:N-dealkylflurazepam (midazolam impurity)	CAS No.:2886-65-9	Molecular Formula:
Product Number:PCL-#-S467-20mg	Product Name:Sucrose	CAS No.:54261-98-2	Molecular Formula:
Product Number:101368	Product Name:Midodrine hydrochloride	CAS No.:101368-N/A	Molecular Formula:
Product Number:171271	Product Name:Oxycodone hydrochloride	CAS No.:#	Molecular Formula:
Product Number:101367	Product Name:Pipecuronium bromide	CAS No.:101367-N/A	Molecular Formula:
Product Number:171272	Product Name:Nalmefene hydrochloride	CAS No.:58895-64-0	Molecular Formula:
Product Number:112033	Product Name:Gynostemma saponin XL IX	CAS No.:#	Molecular Formula:

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