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:510094	Product Name:Sulfisoxazole	CAS No.:127-69-5	Molecular Formula:
Product Number:121083	Product Name:Cotton root	CAS No.:#	Molecular Formula:
Product Number:510091	Product Name:sulfathiazole	CAS No.:72-14-0	Molecular Formula:
Product Number:121080	Product Name:Ferula	CAS No.:#	Molecular Formula:
Product Number:510092	Product Name:Sulfobenzoyl	CAS No.:#	Molecular Formula:
Product Number:PCL-#-Al006-1g	Product Name:Sawdust	CAS No.:####	Molecular Formula:
Product Number:800108	Product Name:Benzoic acid and sorbic acid in cooked minced meat	CAS No.:#	Molecular Formula:
Product Number:121086	Product Name:Eggplant	CAS No.:#	Molecular Formula:
Product Number:510090	Product Name:Isosuprine hydrochloride	CAS No.:#	Molecular Formula:
Product Number:PCL-#-LC306-1g	Product Name:Groundhog	CAS No.:####	Molecular Formula:
Product Number:121084	Product Name:Tibetan calamus	CAS No.:#	Molecular Formula:
Product Number:800109	Product Name:Cadmium in rice flour	CAS No.:#	Molecular Formula:
Product Number:121085	Product Name:Coriander strips	CAS No.:#	Molecular Formula:
Product Number:100143	Product Name:Thiopental	CAS No.:100143-N/A	Molecular Formula:
Product Number:100142	Product Name:Carbamazepine	CAS No.:298-46-4	Molecular Formula:
Product Number:100141	Product Name:N-methylpiperazine	CAS No.:109-01-3	Molecular Formula:
Product Number:100140	Product Name:6-Methoxy-2-naphthylethanone	CAS No.:3900-45-6	Molecular Formula:
Product Number:510095	Product Name:Sulfadoxine-p-methoxypyrimidine	CAS No.:#	Molecular Formula:
Product Number:510096	Product Name:Sildenafil impurity I	CAS No.:#	Molecular Formula:
Product Number:101416	Product Name:Aspalathin impurityⅠ 4-(3,4,5-trihydroxy-6-hydroxymethyl)-tetrahydro-2H-pyran-2-yloxybenzaldehyde	CAS No.:101416-N/A	Molecular Formula:

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