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:	Product Name:Leucocrystal Violet	CAS No.:603-48-5	Molecular Formula:
Product Number:	Product Name:Crystal violet D6	CAS No.:1266676-01-0	Molecular Formula:
Product Number:	Product Name:Crystal Violet	CAS No.:548-62-9	Molecular Formula:
Product Number:	Product Name:Leucomalachite green-D5	CAS No.:947601-82-3	Molecular Formula:
Product Number:	Product Name:Leucomalachite green	CAS No.:129-73-7	Molecular Formula:
Product Number:	Product Name:Malachite Green‑D5 Picrate	CAS No.:1258668-21-1	Molecular Formula:
Product Number:	Product Name:Matrix/29 components in infant formula milk powder/GB 5009.168-2016、GB 5009.268-2025、GB 5009.82-2016	CAS No.:N/A	Molecular Formula:
Product Number:	Product Name:Matrix/fatty acids and trans fatty acids in vegetable fat powder/GB 5009.168-2016 GB 5009.257-2016/12-month validity period	CAS No.:N/A	Molecular Formula:
Product Number:	Product Name:Matrix/docosahexaenoic acid (DHA), arachidonic acid (ARA), eicosapentaenoic acid (EPA) in infant formula milk powder/GB 5009.168-2016	CAS No.:N/A	Molecular Formula:
Product Number:	Product Name:Matrix/docosahexaenoic acid (DHA), arachidonic acid (ARA) in infant formula milk powder/GB 5009.168-2016	CAS No.:N/A	Molecular Formula:
Product Number:	Product Name:Matrix/saturated fatty acids (total) in edible oil/GB 5009.168-2016/12-month validity period	CAS No.:N/A	Molecular Formula:
Product Number:	Product Name:Matrix/polyunsaturated fatty acids, monounsaturated fatty acids in edible oil/GB 5009.168-2016	CAS No.:N/A	Molecular Formula:
Product Number:	Product Name:Matrix/saturated fatty acids (total) in pastries/GB 5009.168-2016/12-month shelf life	CAS No.:N/A	Molecular Formula:
Product Number:	Product Name:Matrix/37 kinds of fatty acids in beef powder/GB 5009.168-2016/12-month shelf life	CAS No.:N/A	Molecular Formula:
Product Number:	Product Name:Matrix/oleic acid, linoleic acid, palmitic acid in rice flour/GB 5009.168-2016 Method 1	CAS No.:N/A	Molecular Formula:
Product Number:	Product Name:Matrix/eicosapentaenoic acid (EPA) in infant formula milk powder/GB 5009.168-2016	CAS No.:N/A	Molecular Formula:
Product Number:	Product Name:Matrix/fatty acids in infant formula milk powder/GB 5009.168-2016 Method 2	CAS No.:N/A	Molecular Formula:
Product Number:	Product Name:Matrix/linoleic acid, α-linolenic acid in infant formula milk powder/GB5009.168-2016 Method 2	CAS No.:N/A	Molecular Formula:
Product Number:	Product Name:Matrix/linoleic acid in infant formula milk powder/GB5009.168-2016 Method 2	CAS No.:N/A	Molecular Formula:
Product Number:	Product Name:【618 Promotion】/37 kinds of fatty acid methyl ester mixed standard in dichloromethane/Total concentration: 10000µg/mL/GB 5009.168-2016、GB/T 21514-2025	CAS No.:N/A	Molecular Formula:

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