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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:130557 Roxithromycin Product Name:Roxithromycin CAS No.:80214-83-1 Molecular Formula:
Product Number:130635 Sisomycin Product Name:Sisomycin CAS No.:# Molecular Formula:
Product Number:130593 Azithromycin Product Name:Azithromycin CAS No.:83905-01-5 Molecular Formula:
Product Number:121407 Crab nails Product Name:Crab nails CAS No.:# Molecular Formula:
Product Number:121404 Jade Leaf Golden Flower Product Name:Jade Leaf Golden Flower CAS No.:# Molecular Formula:
Product Number:121405 Qiangwu(Broad-leafed Qiangwu) Product Name:Qiangwu(Broad-leafed Qiangwu) CAS No.:# Molecular Formula:
Product Number:121408 Chuanwu Product Name:Chuanwu CAS No.:# Molecular Formula:
Product Number:PCL-#-Cl101-1g Chuanmutong Product Name:Chuanmutong CAS No.:#### Molecular Formula:
Product Number:PCL-#-Na103-1g Gan Song Product Name:Gan Song CAS No.:#### Molecular Formula:
Product Number:121403 Buy Matsutake (Small-leaved Buy Matsutake) Product Name:Buy Matsutake (Small-leaved Buy Matsutake) CAS No.:# Molecular Formula:
Product Number:121400 Arrowroot potatoes Product Name:Arrowroot potatoes CAS No.:# Molecular Formula:
Product Number:121401 Sunflower disk Product Name:Sunflower disk CAS No.:# Molecular Formula:
Product Number:PCL-#-R092-25mg Rheumatic acid Product Name:Rheumatic acid CAS No.:478-43-3 Molecular Formula:
Product Number:PCL-#-Gr073-25mg Rhodopsin Product Name:Rhodopsin CAS No.:156980-60-8 Molecular Formula:
Product Number:350003 DEHP bis-(2-ethylhexyl) phthalate Product Name:DEHP bis-(2-ethylhexyl) phthalate CAS No.:117-81-7 Molecular Formula:
Product Number:PCL-#-Ba958-50mg Bornyl acetate Product Name:Bornyl acetate CAS No.:20347-65-3 Molecular Formula:
Product Number:350002 Multi-element mixed standard substances Product Name:Multi-element mixed standard substances CAS No.:# Molecular Formula:
Product Number:PCL-#-Em521-20mg Rhododendron methyl ether Product Name:Rhododendron methyl ether CAS No.:521-61-9 Molecular Formula:
Product Number:PCL-#-Pe018-20mg Bayonetin B Product Name:Bayonetin B CAS No.:18059-10-4 Molecular Formula:
Product Number:PCL-#-Pe415-20mg Baymaxin A Product Name:Baymaxin A CAS No.:23496-41-5 Molecular Formula:
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