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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.

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Product Number Image Product Name CAS No. Molecular Formula
Product Number:101427 Pralofen Product Name:Pralofen CAS No.:101427-N/A Molecular Formula:
Product Number:101426 Homopiperazine (fasudil hydrochloride impurity) Product Name:Homopiperazine (fasudil hydrochloride impurity) CAS No.:101426-N/A Molecular Formula:
Product Number:101425 Fasudil hydrochloride impurity A (fasudil dimer) Product Name:Fasudil hydrochloride impurity A (fasudil dimer) CAS No.:101425-N/A Molecular Formula:
Product Number:101422 Dextymolol maleate Product Name:Dextymolol maleate CAS No.:101422-N/A 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:
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