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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:121245 Red through the stone Product Name:Red through the stone CAS No.:# Molecular Formula:
Product Number:121242 Hare's ears Product Name:Hare's ears CAS No.:# Molecular Formula:
Product Number:121243 Ancestor's Hemp (Tangut Ruixiang) Product Name:Ancestor's Hemp (Tangut Ruixiang) CAS No.:# Molecular Formula:
Product Number:PCL-#-De103-1g Strychnos vulgaris Product Name:Strychnos vulgaris CAS No.:#### Molecular Formula:
Product Number:121249 Rheum palmatum (Rheum palmatum) Product Name:Rheum palmatum (Rheum palmatum) CAS No.:# Molecular Formula:
Product Number:121246 Starfish Product Name:Starfish CAS No.:# Molecular Formula:
Product Number:100329 Sodium pramipexole sulfate Product Name:Sodium pramipexole sulfate CAS No.:100329-N/A Molecular Formula:
Product Number:121247 Mountain Green Tea Product Name:Mountain Green Tea CAS No.:# Molecular Formula:
Product Number:100328 salbutamol sulfate Product Name:salbutamol sulfate CAS No.:100328-N/A Molecular Formula:
Product Number:CMCC(B)26112 Staphylococcus aureus 26112 Product Name:Staphylococcus aureus 26112 CAS No.:# Molecular Formula:
Product Number:121251 The Green Wind Vine Product Name:The Green Wind Vine CAS No.:# Molecular Formula:
Product Number:121252 Dragon blood exhaustion Product Name:Dragon blood exhaustion CAS No.:# Molecular Formula:
Product Number:PCL-#-My118-2g Myrrh (Gummy Myrrh) Product Name:Myrrh (Gummy Myrrh) CAS No.:#### Molecular Formula:
Product Number:100330 naproxen sodium Product Name:naproxen sodium CAS No.:26159-34-2 Molecular Formula:
Product Number:100316 Tamoxifen citrate E-isomer Product Name:Tamoxifen citrate E-isomer CAS No.:100316-N/A 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:
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