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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 Image Product Name CAS No. Molecular Formula
Product Number:520054 azoxymethane Product Name:azoxymethane CAS No.:# Molecular Formula:
Product Number:520047 Reddenafil Product Name:Reddenafil CAS No.:# Molecular Formula:
Product Number:520048 Thioadenafil Product Name:Thioadenafil CAS No.:# Molecular Formula:
Product Number:135031 control medium of violet red bile salt dextrose agar Product Name:control medium of violet red bile salt dextrose agar CAS No.:# Molecular Formula:
Product Number:520040 Namoxetine Product Name:Namoxetine CAS No.:# Molecular Formula:
Product Number:135030 McConkey's liquid control medium Product Name:McConkey's liquid control medium CAS No.:# Molecular Formula:
Product Number:520041 Pseudovardenafil Product Name:Pseudovardenafil CAS No.:# Molecular Formula:
Product Number:520042 Aminotadalafil Product Name:Aminotadalafil CAS No.:# Molecular Formula:
Product Number:520043 Diethylamino-pre-tadalafil Product Name:Diethylamino-pre-tadalafil CAS No.:# Molecular Formula:
Product Number:CMCC(B)51105 Shigella dysenteriae 51105 Product Name:Shigella dysenteriae 51105 CAS No.:# Molecular Formula:
Product Number:135033 xylose lysine deoxycholate agar control medium Product Name:xylose lysine deoxycholate agar control medium CAS No.:# Molecular Formula:
Product Number:520046 Haumo sildenafil Product Name:Haumo sildenafil CAS No.:# Molecular Formula:
Product Number:135032 Enterobacteriaceae Enrichment Liquid Control Medium Product Name:Enterobacteriaceae Enrichment Liquid Control Medium CAS No.:# Molecular Formula:
Product Number:520036 5-Methoxypsoralen Product Name:5-Methoxypsoralen CAS No.:484-20-8 Molecular Formula:
Product Number:135028 Trisaccharide iron agar control medium Product Name:Trisaccharide iron agar control medium CAS No.:# Molecular Formula:
Product Number:135027 R2A agar control medium Product Name:R2A agar control medium CAS No.:# Molecular Formula:
Product Number:135026 Tryptic casein soy peptone liquid control medium Product Name:Tryptic casein soy peptone liquid control medium CAS No.:# Molecular Formula:
Product Number:135025 Tryptic casein peptone agar control medium Product Name:Tryptic casein peptone agar control medium CAS No.:# Molecular Formula:
Product Number:135029 RV Salmonella Enrichment Liquid Control Medium Product Name:RV Salmonella Enrichment Liquid Control Medium CAS No.:# Molecular Formula:
Product Number:135022 Yeast leach powder peptone dextrose agar control medium, the Product Name:Yeast leach powder peptone dextrose agar control medium, the CAS No.:# Molecular Formula:
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