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.

With a craftsmanship spirit at our core, we are committed to refining every product to ensure its quality and accuracy. At the same time, we understand customer needs through in-depth communication, providing customized solutions and fast delivery services to support the efficient progress of your projects.

Hengyuan Fine Chemical—where precision becomes a habit and trust becomes a bond.

Product Number	Product Name	CAS No.	Molecular Formula
Product Number:101317	Product Name:Lamivudine impurityⅠ(Lamivudine acid)	CAS No.:101317-N/A	Molecular Formula:
Product Number:101315	Product Name:Thymidine isomers	CAS No.:101315-N/A	Molecular Formula:
Product Number:111590	Product Name:Rehmannia saponin I	CAS No.:50773-41-6	Molecular Formula:
Product Number:111591	Product Name:※ Chonglou Saponin II	CAS No.:111591-N/A	Molecular Formula:
Product Number:PCL-#-P1441-20mg	Product Name:Chonglou Saponin VI	CAS No.:55916-51-3	Molecular Formula:
Product Number:101312	Product Name:Irbesartan impurity I	CAS No.:101312-N/A	Molecular Formula:
Product Number:PCL-#-C1429-20mg	Product Name:Chonglou Saponin VII	CAS No.:68124-04-9	Molecular Formula:
Product Number:111594	Product Name:total ginkgolic acid	CAS No.:111594-N/A	Molecular Formula:
Product Number:101319	Product Name:Lamivudine impurity V 4-amino-1-[(2R,3R,5S)-2-hydroxymethyl-1,3-oxathiolan-5-yl]pyrimidin-2(1H)-one-S-sulfoxide	CAS No.:101319-N/A	Molecular Formula:
Product Number:101318	Product Name:Lamivudine impurity III 1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-pyrimidin-2,4(1H, 3H)-one	CAS No.:101318-N/A	Molecular Formula:
Product Number:101320	Product Name:Lamivudine impurity IV and impurity V mixture	CAS No.:101320-N/A	Molecular Formula:
Product Number:111588	Product Name:※Saffronin-Ⅰ	CAS No.:111588-N/A	Molecular Formula:
Product Number:111589	Product Name:※Saffronin-II	CAS No.:111589-N/A	Molecular Formula:
Product Number:101306	Product Name:Cinepazide maleate nitrogen oxide (Cinepazide maleate impurity)	CAS No.:101306-N/A	Molecular Formula:
Product Number:PCL-#-Me102-100mg	Product Name:Glucosamine	CAS No.:6284-40-8	Molecular Formula:
Product Number:101301	Product Name:Miglitol	CAS No.:101301-N/A	Molecular Formula:
Product Number:CMCC(B)26003	Product Name:Staphylococcus aureus 26003	CAS No.:#	Molecular Formula:
Product Number:CMCC(B)26001	Product Name:Staphylococcus aureus 26001	CAS No.:#	Molecular Formula:
Product Number:PCL-#-W432-20mg	Product Name:baicalein	CAS No.:632-85-9	Molecular Formula:
Product Number:111596	Product Name:Huperzine II	CAS No.:39012-20-9	Molecular Formula:

Products