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.

With a craftsmanship spirit at our core, we are committed to refining every product to ensure its quality and accuracy. At the same time, we understand customer needs through in-depth communication, providing customized solutions and fast delivery services to support the efficient progress of your projects.

Hengyuan Fine Chemical—where precision becomes a habit and trust becomes a bond.

Product Number	Product Name	CAS No.	Molecular Formula
Product Number:510015	Product Name:Hydrocortisone valerate	CAS No.:#	Molecular Formula:
Product Number:510016	Product Name:Diflorasone diacetate	CAS No.:#	Molecular Formula:
Product Number:510025	Product Name:Ambroxol hydrochloride impurity A (2-amino-3,5-dibromobenzyl alcohol)	CAS No.:#	Molecular Formula:
Product Number:510022	Product Name:Mometasone furoate	CAS No.:83919-23-7	Molecular Formula:
Product Number:510023	Product Name:Clobetasone butyrate	CAS No.:25122-57-0	Molecular Formula:
Product Number:510020	Product Name:Ensign	CAS No.:#	Molecular Formula:
Product Number:510021	Product Name:fluticasone propionate	CAS No.:#	Molecular Formula:
Product Number:510029	Product Name:Ambroxol hydrochloride impurity E 2-amino-3,5-dibromobenzaldehyde	CAS No.:#	Molecular Formula:
Product Number:510026	Product Name:Ambroxol hydrochloride impurity B trans-4-(6,8-dibromo-tetrahydroquinazoline cyclohexanol) hydrochloride	CAS No.:#	Molecular Formula:
Product Number:510027	Product Name:Ambroxol hydrochloride impurity C	CAS No.:#	Molecular Formula:
Product Number:100199	Product Name:Prednisone	CAS No.:53-03-2	Molecular Formula:
Product Number:510035	Product Name:Repaglinide Related substance III ((S)-3-methyl-1-(2-(1-piperidinyl)phenyl)butylamine, N-acetyl-L-glutamate)	CAS No.:#	Molecular Formula:
Product Number:510036	Product Name:Repaglinide Related Substance IV (ethyl 2-ethoxy-4-[2-[[(1S)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl]amino]-2-oxoethyl] benzoate)	CAS No.:#	Molecular Formula:
Product Number:510033	Product Name:Repaglinide Related Substance II (4-ethyl-3-ethoxyphenylacetic acid)	CAS No.:#	Molecular Formula:
Product Number:510034	Product Name:Repaglinide Related Substance I ((4-carboxy-3-ethoxy) phenylacetic acid)	CAS No.:#	Molecular Formula:
Product Number:510032	Product Name:Hydroxyhomo sildenafil citrate	CAS No.:#	Molecular Formula:
Product Number:171320	Product Name:Escitalopram oxalate impurity IV	CAS No.:1332724-03-4	Molecular Formula:
Product Number:171321	Product Name:Escitalopram oxalate impurity II	CAS No.:1440961-11-4	Molecular Formula:
Product Number:CMCC(B)52204	Product Name:Yersinia enterocolitica small intestine 52204	CAS No.:#	Molecular Formula:
Product Number:171322	Product Name:Escitalopram oxalate impurity A	CAS No.:64372-56-1	Molecular Formula:

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