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:1ST2509K-100mg	Product Name:Methyl 4-hydroxybenzoate potassium salt	CAS No.:26112-07-2	Molecular Formula:
Product Number:1ST2157-10mg	Product Name:methylchloroisothiazolinone	CAS No.:26172-55-4	Molecular Formula:
Product Number:1ST2535-100mg	Product Name:Para-hydroxybenzoic acid	CAS No.:99-96-7	Molecular Formula:
Product Number:1ST21088-100mg	Product Name:bromanitol	CAS No.:52-51-7	Molecular Formula:
Product Number:1ST7033Z-100μg	Product Name:Cefadroxil D5 hydrate	CAS No.:2101505-56-8 (Anhydrous)	Molecular Formula:
Product Number:1ST000718-100mg	Product Name:4-amino-3-nitrophenol	CAS No.:610-81-1	Molecular Formula:
Product Number:1ST2903-100mg	Product Name:2-aminophenol	CAS No.:95-55-6	Molecular Formula:
Product Number:1ST000710-100mg	Product Name:2-Chloro-p-phenylenediamine sulfate	CAS No.:61702-44-1	Molecular Formula:
Product Number:1ST4130D3Z-100μg	Product Name:Doxycycline-D3 monohydrochloride hemiethanol hydrate	CAS No.:NA	Molecular Formula:
Product Number:1ST4123D6AZ-100μg	Product Name:Minocycline-D6 hydrochloride	CAS No.:1036070-10-6 (Free base)	Molecular Formula:
Product Number:1ST40353-100mg	Product Name:p-Phenylenedimethylene bis(camphorsulfonate)	CAS No.:92761-26-7	Molecular Formula:
Product Number:1ST3418-100mg	Product Name:O'Crillin	CAS No.:6197-30-4	Molecular Formula:
Product Number:1ST3426-100mg	Product Name:Methylenebis-benzotriazolyltetramethylbutylphenol	CAS No.:103597-45-1	Molecular Formula:
Product Number:1ST3423-100mg	Product Name:Isopentyl 4-methoxycinnamate	CAS No.:71617-10-2	Molecular Formula:
Product Number:1ST21427-100mg	Product Name:cresyltriazole trisiloxane	CAS No.:155633-54-8	Molecular Formula:
Product Number:HB6238-10	Product Name:MacConkey agar medium (Chinese Pharmacopoeia)	CAS No.:N/A	Molecular Formula:
Product Number:HB0114	Product Name:Crystallized Violet Neutral Red Bile Salt Agar (VRBA)	CAS No.:N/A	Molecular Formula:
Product Number:CM101	Product Name:Plate Count Agar (PCA)	CAS No.:N/A	Molecular Formula:
Product Number:M153	Product Name:oxidase reagent	CAS No.:N/A	Molecular Formula:
Product Number:GSB 04-1762-2004-20ml	Product Name:zirconium standard solution	CAS No.:Zr	Molecular Formula:

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