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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:100168 Nefopam hydrochloride Product Name:Nefopam hydrochloride CAS No.:23327-57-3 Molecular Formula:
Product Number:100167 Levamisole hydrochloride Product Name:Levamisole hydrochloride CAS No.:16595-80-5 Molecular Formula:
Product Number:100166 isoprenaline hydrochloride Product Name:isoprenaline hydrochloride CAS No.:51-30-9 Molecular Formula:
Product Number:121088 Sesame Product Name:Sesame CAS No.:# Molecular Formula:
Product Number:121089 Golden Lotus Product Name:Golden Lotus CAS No.:# Molecular Formula:
Product Number:PCL-#-Pa002-1g Red peony Product Name:Red peony CAS No.:#### Molecular Formula:
Product Number:PCL-#-VS121-1g Wang Bu Liou Xing Product Name:Wang Bu Liou Xing CAS No.:#### Molecular Formula:
Product Number:PCL-#-CF305-1g Flammarinus officinalis Product Name:Flammarinus officinalis CAS No.:#### Molecular Formula:
Product Number:PCL-#-At101-1g Calamus Product Name:Calamus CAS No.:#### Molecular Formula:
Product Number:121095 Ox bile powder Product Name:Ox bile powder CAS No.:# Molecular Formula:
Product Number:PCL-#-LR811-1g Uva Ursi Product Name:Uva Ursi CAS No.:#### Molecular Formula:
Product Number:100176 Proglumide Product Name:Proglumide CAS No.:100176-N/A Molecular Formula:
Product Number:100175 Piperonylonitrile Product Name:Piperonylonitrile CAS No.:100175-N/A Molecular Formula:
Product Number:100173 Bumetanide Product Name:Bumetanide CAS No.:28395-03-1 Molecular Formula:
Product Number:1ST2221-100mg Methyltestosterone Product Name:Methyltestosterone CAS No.:58-18-4 Molecular Formula:
Product Number:121090 Toomuchika Product Name:Toomuchika CAS No.:# Molecular Formula:
Product Number:100171 Megestrol acetate Product Name:Megestrol acetate CAS No.:100171-N/A Molecular Formula:
Product Number:100170 Levodopa Product Name:Levodopa CAS No.:59-92-7 Molecular Formula:
Product Number:100159 Benserazide hydrochloride Product Name:Benserazide hydrochloride CAS No.:14919-77-8 Molecular Formula:
Product Number:100158 Cimetidine Product Name:Cimetidine CAS No.:51481-61-9 Molecular Formula:
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