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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.

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 Image Product Name CAS No. Molecular Formula
Product Number:1ST7033Z-100μg Cefadroxil D5 hydrate Product Name:Cefadroxil D5 hydrate CAS No.:2101505-56-8 (Anhydrous) Molecular Formula:
Product Number:1ST000718-100mg 4-amino-3-nitrophenol Product Name:4-amino-3-nitrophenol CAS No.:610-81-1 Molecular Formula:
Product Number:1ST2903-100mg 2-aminophenol Product Name:2-aminophenol CAS No.:95-55-6 Molecular Formula:
Product Number:1ST000710-100mg 2-Chloro-p-phenylenediamine sulfate Product Name:2-Chloro-p-phenylenediamine sulfate CAS No.:61702-44-1 Molecular Formula:
Product Number:1ST4130D3Z-100μg Doxycycline-D3 monohydrochloride hemiethanol hydrate Product Name:Doxycycline-D3 monohydrochloride hemiethanol hydrate CAS No.:NA Molecular Formula:
Product Number:1ST4123D6AZ-100μg Minocycline-D6 hydrochloride Product Name:Minocycline-D6 hydrochloride CAS No.:1036070-10-6 (Free base) Molecular Formula:
Product Number:1ST40353-100mg p-Phenylenedimethylene bis(camphorsulfonate) Product Name:p-Phenylenedimethylene bis(camphorsulfonate) CAS No.:92761-26-7 Molecular Formula:
Product Number:1ST3418-100mg O'Crillin Product Name:O'Crillin CAS No.:6197-30-4 Molecular Formula:
Product Number:1ST3426-100mg Methylenebis-benzotriazolyltetramethylbutylphenol Product Name:Methylenebis-benzotriazolyltetramethylbutylphenol CAS No.:103597-45-1 Molecular Formula:
Product Number:1ST3423-100mg Isopentyl 4-methoxycinnamate Product Name:Isopentyl 4-methoxycinnamate CAS No.:71617-10-2 Molecular Formula:
Product Number:1ST21427-100mg cresyltriazole trisiloxane Product Name:cresyltriazole trisiloxane CAS No.:155633-54-8 Molecular Formula:
Product Number:HB6238-10 MacConkey agar medium (Chinese Pharmacopoeia) Product Name:MacConkey agar medium (Chinese Pharmacopoeia) CAS No.:N/A Molecular Formula:
Product Number:HB0114 Crystallized Violet Neutral Red Bile Salt Agar (VRBA) Product Name:Crystallized Violet Neutral Red Bile Salt Agar (VRBA) CAS No.:N/A Molecular Formula:
Product Number:CM101 Plate Count Agar (PCA) Product Name:Plate Count Agar (PCA) CAS No.:N/A Molecular Formula:
Product Number:M153 oxidase reagent Product Name:oxidase reagent CAS No.:N/A Molecular Formula:
Product Number:GSB 04-1762-2004-20ml zirconium standard solution Product Name:zirconium standard solution CAS No.:Zr Molecular Formula:
Product Number:GBW(E)082053 Total Organic Carbon (TOC) in water Product Name:Total Organic Carbon (TOC) in water CAS No.:/ Molecular Formula:
Product Number:PCL-2024BZ401 Selenium standard solution Product Name:Selenium standard solution CAS No.:N/A Molecular Formula:
Product Number:BW20058-1000-50 Nitrogen dioxide in water (as NO2) Product Name:Nitrogen dioxide in water (as NO2) CAS No.:/ Molecular Formula:
Product Number:PCL-2023BZ1105-100ml Chlorine dioxide solution standard substance Product Name:Chlorine dioxide solution standard substance CAS No.:N/A Molecular Formula:
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