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:101359	Product Name:Adefovir impurity (adefovir)	CAS No.:101359-N/A	Molecular Formula:
Product Number:100028	Product Name:Norgestrel	CAS No.:100028-N/A	Molecular Formula:
Product Number:101358	Product Name:Mirinone impurity Ⅱ(1,6- dihydro -2- methyl -6- oxygen -(3,4'- bipyridine) -5- methyl formate)	CAS No.:101358-N/A	Molecular Formula:
Product Number:100027	Product Name:progesterone	CAS No.:57-83-0	Molecular Formula:
Product Number:101357	Product Name:Gadolinium beglucuronide impurity (sodium pyruvate)	CAS No.:101357-N/A	Molecular Formula:
Product Number:100096	Product Name:sulphanilamide	CAS No.:63-74-1	Molecular Formula:
Product Number:112000	Product Name:Tilin	CAS No.:20316-62-5	Molecular Formula:
Product Number:101364	Product Name:Rocuronium bromide impurity III(1-[3α, 17β- diacetoxy -2β(1- pyrrolidinyl) -5α- androstane -16β ]-1-(2- propenyl) pyrrolidine bromide)	CAS No.:101364-N/A	Molecular Formula:
Product Number:100033	Product Name:diethylstilbestrol	CAS No.:56-53-1	Molecular Formula:
Product Number:101363	Product Name:Rocuronium bromide impurity II(2β-(4- morpholinyl) -16β-(1- pyrrolidinyl) -5α- androstane -3α, 17β- diol)	CAS No.:101363-N/A	Molecular Formula:
Product Number:100032	Product Name:hydroxyprogesterone caproate injection	CAS No.:100032-N/A	Molecular Formula:
Product Number:101362	Product Name:Rocuronium bromide impurity I(3α- hydroxy -2β-(4- morpholinyl) -16β-(1- pyrrolidinyl) -5α- androstane -17β- acetic acid)	CAS No.:101362-N/A	Molecular Formula:
Product Number:101361	Product Name:Rocuronium bromide	CAS No.:119302-91-9	Molecular Formula:
Product Number:100030	Product Name:methimazole	CAS No.:100030-N/A	Molecular Formula:
Product Number:101360	Product Name:Acipimox impurity (5- methylpyrazine -2- carboxylic acid)	CAS No.:101360-N/A	Molecular Formula:
Product Number:100019	Product Name:Diphenyl -(2- chlorophenyl) methanol (clotrimazole impurity I)	CAS No.:100019-N/A	Molecular Formula:
Product Number:101349	Product Name:Reference substance for suitability of troxerutin system	CAS No.:101349-N/A	Molecular Formula:
Product Number:PCL-#-Ac010-20mg	Product Name:Acetaminophen	CAS No.:103-90-2	Molecular Formula:
Product Number:101348	Product Name:diosmin	CAS No.:520-27-4	Molecular Formula:
Product Number:100017	Product Name:para aminobenzoic acid	CAS No.:150-13-0	Molecular Formula:

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