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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:100931 pentyl ether hydrochloride Product Name:pentyl ether hydrochloride CAS No.:100931-N/A Molecular Formula:
Product Number:171299 etazocine hydrobromide Product Name:etazocine hydrobromide CAS No.:# Molecular Formula:
Product Number:171292 HFCI (1,1,2-trichloro-1,2,2-trifluoroethane) Product Name:HFCI (1,1,2-trichloro-1,2,2-trifluoroethane) CAS No.:# Molecular Formula:
Product Number:171293 Butorphanol tartrate dextro isomer Product Name:Butorphanol tartrate dextro isomer CAS No.:# Molecular Formula:
Product Number:171294 Phenytoin sodium impurity Ⅰ (2-hydroxy-1,2-diphenylethanone) Product Name:Phenytoin sodium impurity Ⅰ (2-hydroxy-1,2-diphenylethanone) CAS No.:# Molecular Formula:
Product Number:100939 Itopride hydrochloride Product Name:Itopride hydrochloride CAS No.:100939-N/A Molecular Formula:
Product Number:100938 Trinitest Product Name:Trinitest CAS No.:100938-N/A Molecular Formula:
Product Number:100936 Pravastatin tetramethylbutylamine Product Name:Pravastatin tetramethylbutylamine CAS No.:100936-N/A Molecular Formula:
Product Number:100934 Estriol Product Name:Estriol CAS No.:50-27-1 Molecular Formula:
Product Number:130754 Gatifloxacin N-methyl Product Name:Gatifloxacin N-methyl CAS No.:# Molecular Formula:
Product Number:130750 N-methylgatifloxacin Product Name:N-methylgatifloxacin CAS No.:114213-69-3 Molecular Formula:
Product Number:130753 8-fluoro-gatifloxacin Product Name:8-fluoro-gatifloxacin CAS No.:103460-89-5 Molecular Formula:
Product Number:130752 8-hydroxygatifloxacin Product Name:8-hydroxygatifloxacin CAS No.:616205-76-6 Molecular Formula:
Product Number:100907 diclofenac diethylamide Product Name:diclofenac diethylamide CAS No.:100907-N/A Molecular Formula:
Product Number:100906 Hydrocortisone Succinyl Monoester Product Name:Hydrocortisone Succinyl Monoester CAS No.:100906-N/A Molecular Formula:
Product Number:100905 Rosatidine acetate hydrochloride Product Name:Rosatidine acetate hydrochloride CAS No.:93793-83-0 Molecular Formula:
Product Number:100904 5-phthalimidolevulinic acid Product Name:5-phthalimidolevulinic acid CAS No.:100904-N/A Molecular Formula:
Product Number:PCL-#-Pa100-50mg phthalic acid Product Name:phthalic acid CAS No.:88-99-3 Molecular Formula:
Product Number:100901 Sodium alendronate Product Name:Sodium alendronate CAS No.:100901-N/A Molecular Formula:
Product Number:100900 Urapidil impurity A Product Name:Urapidil impurity A CAS No.:100900-N/A Molecular Formula:
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