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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:100315 Flucytosine (emtricitabine impurity I) Product Name:Flucytosine (emtricitabine impurity I) CAS No.:100315-N/A Molecular Formula:
Product Number:100314 Fluconazole Product Name:Fluconazole CAS No.:86386-73-4 Molecular Formula:
Product Number:100085 Haloperidol Product Name:Haloperidol CAS No.:548-73-2 Molecular Formula:
Product Number:100312 Phenothiazine Product Name:Phenothiazine CAS No.:100312-N/A Molecular Formula:
Product Number:100311 methyl 3,5-diamino-6-chloropyrazine-2-carboxylate Product Name:methyl 3,5-diamino-6-chloropyrazine-2-carboxylate CAS No.:100311-N/A Molecular Formula:
Product Number:100310 Amiloride hydrochloride Product Name:Amiloride hydrochloride CAS No.:100310-N/A Molecular Formula:
Product Number:121255 Acanthopanax Product Name:Acanthopanax CAS No.:# Molecular Formula:
Product Number:121256 Chickweed Vine Product Name:Chickweed Vine CAS No.:# Molecular Formula:
Product Number:121253 Clove leaves Product Name:Clove leaves CAS No.:# Molecular Formula:
Product Number:121254 Job's tears Product Name:Job's tears CAS No.:# Molecular Formula:
Product Number:121259 Lampstand Leaf Product Name:Lampstand Leaf CAS No.:# Molecular Formula:
Product Number:100319 Captopril disulfide Product Name:Captopril disulfide CAS No.:100319-N/A Molecular Formula:
Product Number:121257 The Purple Golden Lotus Product Name:The Purple Golden Lotus CAS No.:# Molecular Formula:
Product Number:PCL-#-Gr135-1g Asparagus Product Name:Asparagus CAS No.:#### Molecular Formula:
Product Number:100317 betacyclodextrin Product Name:betacyclodextrin CAS No.:100317-N/A Molecular Formula:
Product Number:PCL-#-BR001-1g White and Product Name:White and CAS No.:#### Molecular Formula:
Product Number:PCL-#-CR402-5g Gao Liang Jiang Product Name:Gao Liang Jiang CAS No.:#### Molecular Formula:
Product Number:121260 Buy hemp vines Product Name:Buy hemp vines CAS No.:# Molecular Formula:
Product Number:PCL-#-Ll001-1g loquat leaves Product Name:loquat leaves CAS No.:#### Molecular Formula:
Product Number:430054 Tegretol impurity D Product Name:Tegretol impurity D CAS No.:274693-26-4 Molecular Formula:
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