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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:101224 3'-Chloro-3'-deoxythymidine (Zidovudine impurity) Product Name:3'-Chloro-3'-deoxythymidine (Zidovudine impurity) CAS No.:101224-N/A Molecular Formula:
Product Number:140815 2',3'-Anhydroinosine Product Name:2',3'-Anhydroinosine CAS No.:31766-13-9 Molecular Formula:
Product Number:140814 2'-Deoxyinosine Product Name:2'-Deoxyinosine CAS No.:890-38-0 Molecular Formula:
Product Number:140813 3'-Deoxyinosine Product Name:3'-Deoxyinosine CAS No.:13146-72-0 Molecular Formula:
Product Number:140816 2',3'-dideoxy-2',3'-didehydroinosine Product Name:2',3'-dideoxy-2',3'-didehydroinosine CAS No.:42867-68-5 Molecular Formula:
Product Number:121346 Crow's gall Product Name:Crow's gall CAS No.:# Molecular Formula:
Product Number:111912 Xavier's Tapestry Product Name:Xavier's Tapestry CAS No.:51938-32-0 Molecular Formula:
Product Number:120933 Buddha's hand Product Name:Buddha's hand CAS No.:# Molecular Formula:
Product Number:121369 Nestle's spleen Product Name:Nestle's spleen CAS No.:# Molecular Formula:
Product Number:121479 Popeye's Seed Product Name:Popeye's Seed CAS No.:# Molecular Formula:
Product Number:100552 Olmesartan ester impurity RNH-6270 (4-(1-hydroxy-1-methylethyl)-2-propyl-1-[[2'-(1H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-imidazole-5-carboxylic acid) Product Name:Olmesartan ester impurity RNH-6270 (4-(1-hydroxy-1-methylethyl)-2-propyl-1-[[2'-(1H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-imidazole-5-carboxylic acid) CAS No.:100552-N/A Molecular Formula:
Product Number:111765 5,7,3',4',5'-pentamethoxyflavone Product Name:5,7,3',4',5'-pentamethoxyflavone CAS No.:111765-N/A Molecular Formula:
Product Number:111792 4'-demethylgibberellin Product Name:4'-demethylgibberellin CAS No.:111792-N/A Molecular Formula:
Product Number:111787 7,4'-Dihydroxyflavone Product Name:7,4'-Dihydroxyflavone CAS No.:2196-14-7 Molecular Formula:
Product Number:121171 Pig's Tooth Soap Product Name:Pig's Tooth Soap CAS No.:# Molecular Formula:
Product Number:121182 Ascophyllum (Xing'an Ascophyllum) Product Name:Ascophyllum (Xing'an Ascophyllum) CAS No.:# Molecular Formula:
Product Number:121163 Bachmann's Product Name:Bachmann's CAS No.:N/A Molecular Formula:
Product Number:CMCC(F)98007 Brewer's yeast 98007 Product Name:Brewer's yeast 98007 CAS No.:# Molecular Formula:
Product Number:111848 3,6'- mustard acyl sucrose Product Name:3,6'- mustard acyl sucrose CAS No.:139891-98-8 Molecular Formula:
Product Number:135030 McConkey's liquid control medium Product Name:McConkey's liquid control medium CAS No.:# Molecular Formula:
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