Hengyuan Fine Chemical | Reference Materials and Standards | 50,000+ Ready-to-Ship, High-Precision Solutions

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	Product Name	CAS No.	Molecular Formula
Product Number:101403	Product Name:Febuxostat impurity C	CAS No.:101403-N/A	Molecular Formula:
Product Number:101402	Product Name:Febuxostat impurity B	CAS No.:101402-N/A	Molecular Formula:
Product Number:101401	Product Name:Febuxostat impurity A	CAS No.:101401-N/A	Molecular Formula:
Product Number:420028	Product Name:1-[(Tetrahydrofuran-2-yl)carbonyl]piperazine (Terazosin hydrochloride impurity V)	CAS No.:63074-07-7	Molecular Formula:
Product Number:PCL-#-OR293-1g	Product Name:Oatmeal	CAS No.:####	Molecular Formula:
Product Number:420029	Product Name:Tolansetron hydrochloride beta-isomer	CAS No.:#	Molecular Formula:
Product Number:121014	Product Name:Two-Faced Needle	CAS No.:#	Molecular Formula:
Product Number:121011	Product Name:Cassia	CAS No.:#	Molecular Formula:
Product Number:171318	Product Name:Escitalopram oxalate impurity I	CAS No.:144025-14-9	Molecular Formula:
Product Number:PCL-#-Ga002-1g	Product Name:Cardamom	CAS No.:####	Molecular Formula:
Product Number:420024	Product Name:1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)piperazine dihydrochloride (Terazosin hydrochloride impurity I)	CAS No.:60548-08-5	Molecular Formula:
Product Number:121017	Product Name:Bitterwood	CAS No.:#	Molecular Formula:
Product Number:101409	Product Name:salbutamol hydrochloride	CAS No.:101409-N/A	Molecular Formula:
Product Number:420025	Product Name:2-Chloro-4-amino-6,7-dimethoxyquinazoline (Terazosin hydrochloride impurity II)	CAS No.:#	Molecular Formula:
Product Number:121019	Product Name:Bitter Ginseng	CAS No.:#	Molecular Formula:
Product Number:420026	Product Name:1-(4-Hydroxy-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydrofuranyl)carbonyl]-piperazine (Terazosin hydrochloride impurity III)	CAS No.:1177261-73-2	Molecular Formula:
Product Number:PCL-#-CF102-1g	Product Name:Chebulas	CAS No.:####	Molecular Formula:
Product Number:101407	Product Name:Bupropion hydrochloride impurity I (3-chloropropiophenone)	CAS No.:101407-N/A	Molecular Formula:
Product Number:420027	Product Name:1,4-Bis(4-amino-6,7-dimethoxy-2-quinazolinyl)piperazine dihydrochloride (Terazosin hydrochloride impurity IV)	CAS No.:1486464-41-8	Molecular Formula:
Product Number:PCL-#-Q326-2g	Product Name:Artemisia	CAS No.:####	Molecular Formula:

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