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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:510048 Lansoprazole Impurity III Product Name:Lansoprazole Impurity III CAS No.:# Molecular Formula:
Product Number:101421 Dimethyl phthalate (Chuanxiongzine phosphate impurityⅠ) Product Name:Dimethyl phthalate (Chuanxiongzine phosphate impurityⅠ) CAS No.:101421-N/A Molecular Formula:
Product Number:510049 Lansoprazole Impurity IV Product Name:Lansoprazole Impurity IV CAS No.:# Molecular Formula:
Product Number:101420 Isoglutarine nitrate Product Name:Isoglutarine nitrate CAS No.:101420-N/A Molecular Formula:
Product Number:420006 Isocyclophosphamide impurityⅠ Product Name:Isocyclophosphamide impurityⅠ CAS No.:# Molecular Formula:
Product Number:121035 The mountains are full of red Product Name:The mountains are full of red CAS No.:# Molecular Formula:
Product Number:420007 9-Hydroxypropyl bromide taurine Product Name:9-Hydroxypropyl bromide taurine CAS No.:93446-02-7 Molecular Formula:
Product Number:121036 Leaky Glove (Kishu Leaky Glove) Product Name:Leaky Glove (Kishu Leaky Glove) CAS No.:# Molecular Formula:
Product Number:121033 Sequence (Szechuan Sequence) Product Name:Sequence (Szechuan Sequence) CAS No.:121033-N/A Molecular Formula:
Product Number:420009 ▲aniline Product Name:▲aniline CAS No.:62-53-3 Molecular Formula:
Product Number:121034 Mian Ma Guanzhong Product Name:Mian Ma Guanzhong CAS No.:# Molecular Formula:
Product Number:420002 Vinorelbine tartrate impurity I (4-oxo-desacetyl vinorelbine ditartrate) Product Name:Vinorelbine tartrate impurity I (4-oxo-desacetyl vinorelbine ditartrate) CAS No.:# Molecular Formula:
Product Number:121039 Clove Product Name:Clove CAS No.:# Molecular Formula:
Product Number:420003 Malotilate Product Name:Malotilate CAS No.:# Molecular Formula:
Product Number:101429 Phenylcycloquinonium bromide isomers (RR, SS) Product Name:Phenylcycloquinonium bromide isomers (RR, SS) CAS No.:101429-N/A Molecular Formula:
Product Number:PCL-#-VH213-1g Mistletoe Product Name:Mistletoe CAS No.:#### Molecular Formula:
Product Number:101428 Tebivudine Product Name:Tebivudine CAS No.:101428-N/A Molecular Formula:
Product Number:420010 2,6-Diaminopyridine Product Name:2,6-Diaminopyridine CAS No.:141-86-6 Molecular Formula:
Product Number:420011 ▲resorcinol Product Name:▲resorcinol CAS No.:6099-90-7 Molecular Formula:
Product Number:420012 Sildenafil citrate Product Name:Sildenafil citrate CAS No.:# Molecular Formula:
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