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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:PCL-#-Di040-25mg 3,5-Diisopropyl o-hydroxybenzoic acid Product Name:3,5-Diisopropyl o-hydroxybenzoic acid CAS No.:2215-21-6 Molecular Formula:
Product Number:PCL-#-At001-50mg Atropine EP impurity A Product Name:Atropine EP impurity A CAS No.:500-55-0 Molecular Formula:
Product Number:PCL-#-Di097-50mg Donepezil impurity; 5,6-Dimethoxy-2-(4-piperidinylmethyl)-1-indanone hydrochloride Product Name:Donepezil impurity; 5,6-Dimethoxy-2-(4-piperidinylmethyl)-1-indanone hydrochloride CAS No.:120013-39-0 Molecular Formula:
Product Number:PCL-#-Li158-50mg Lidocaine impurity G Product Name:Lidocaine impurity G CAS No.:42459-30-3 Molecular Formula:
Product Number:PCL-#-Me125-100mg Epiprazole impurity 52 Product Name:Epiprazole impurity 52 CAS No.:15116-41-3 Molecular Formula:
Product Number:PCL-#-Pe031-20mg Pemetrexed EP impurity B/C Product Name:Pemetrexed EP impurity B/C CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Bz0115-50mg Eperisone impurity E Product Name:Eperisone impurity E CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Ol004-100mg Olopatadine E-isomer impurity Product Name:Olopatadine E-isomer impurity CAS No.:949141-22-4 Molecular Formula:
Product Number:PCL-#-Bz0168-20mg 1-METHYLPYRIDIN-1-IUM-3-CARBOXAMIDE Product Name:1-METHYLPYRIDIN-1-IUM-3-CARBOXAMIDE CAS No.:3106-60-3 Molecular Formula:
Product Number:PCL-#-Fl012-100mg Fmoc-L-isoleucine (Fmoc-lle-OH) Product Name:Fmoc-L-isoleucine (Fmoc-lle-OH) CAS No.:71989-23-6 Molecular Formula:
Product Number:PCL-#-Az907-1ml methyl acrylate Product Name:methyl acrylate CAS No.:96-33-3 Molecular Formula:
Product Number:PCL-#-Mp134-100mg 4-Methylbenzophenone Product Name:4-Methylbenzophenone CAS No.:134-84-9 Molecular Formula:
Product Number:PCL-#-At002-100mg Atropine EP impurity B Product Name:Atropine EP impurity B CAS No.:16839-98-8 Molecular Formula:
Product Number:PCL-#-Bz0276-50mg Erlotinib impurity 253 Product Name:Erlotinib impurity 253 CAS No.:183320-15-2 Molecular Formula:
Product Number:PCL-#-Bz0344-50mg Montelukastenitrile impurity Product Name:Montelukastenitrile impurity CAS No.:866923-62-8 Molecular Formula:
Product Number:PCL-#-MH02-10mg Matemacrophenol ester impurity H, Product Name:Matemacrophenol ester impurity H, CAS No.:79081-87-1 Molecular Formula:
Product Number:PCL-#-Li102-100mg Linezolid impurity LN-3-F Product Name:Linezolid impurity LN-3-F CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Bz0175-50mg (S)-3-Amino-2-methyl-2-hydroxybutane hydrochloride Product Name:(S)-3-Amino-2-methyl-2-hydroxybutane hydrochloride CAS No.:74608-26-7 Molecular Formula:
Product Number:PCL-#-Ro002-100mg Rotigotine impurity C Product Name:Rotigotine impurity C CAS No.:153409-14-4 Molecular Formula:
Product Number:PCL-#-Bz0436-50mg Amitranan impurity C Product Name:Amitranan impurity C CAS No.:102579-59-9 Molecular Formula:
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