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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.

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Product Number Image Product Name CAS No. Molecular Formula
Product Number:100351 Zinc citrate Product Name:Zinc citrate CAS No.:100351-N/A Molecular Formula:
Product Number:100350 Robaxin Product Name:Robaxin CAS No.:100350-N/A Molecular Formula:
Product Number:430046 Apmeister Product Name:Apmeister CAS No.:608141-41-9 Molecular Formula:
Product Number:430065 Rivaroxaban impurity B Product Name:Rivaroxaban impurity B CAS No.:721401-53-2 Molecular Formula:
Product Number:100337 Ketoprofen Product Name:Ketoprofen CAS No.:100337-N/A Molecular Formula:
Product Number:430063 Rivaroxaban impurity H Product Name:Rivaroxaban impurity H CAS No.:1770812-37-7 Molecular Formula:
Product Number:100336 Tinidazole Product Name:Tinidazole CAS No.:19387-91-8 Molecular Formula:
Product Number:100335 Sulindac Product Name:Sulindac CAS No.:38194-50-2 Molecular Formula:
Product Number:100334 diclofenac sodium Product Name:diclofenac sodium CAS No.:15307-79-6 Molecular Formula:
Product Number:430062 Rivaroxaban impurity F (5-chlorothiophene-2-carboxylic acid) Product Name:Rivaroxaban impurity F (5-chlorothiophene-2-carboxylic acid) CAS No.:24065-33-6 Molecular Formula:
Product Number:100333 Quincy Long Product Name:Quincy Long CAS No.:124-94-7 Molecular Formula:
Product Number:100332 Zinc gluconate Product Name:Zinc gluconate CAS No.:4468-02-4 Molecular Formula:
Product Number:100331 Pomidone Product Name:Pomidone CAS No.:100331-N/A Molecular Formula:
Product Number:121277 Thornberry Product Name:Thornberry CAS No.:# Molecular Formula:
Product Number:PCL-#-AC461-1g Shayuanzi Product Name:Shayuanzi CAS No.:#### Molecular Formula:
Product Number:121276 Cistanchis (Cistanchis tuberosus) Product Name:Cistanchis (Cistanchis tuberosus) CAS No.:# Molecular Formula:
Product Number:121279 Defense Product Name:Defense CAS No.:# Molecular Formula:
Product Number:100339 Nifedipine impurity I (dimethyl 2,6-dimethyl-4-(2-nitrophenyl)-3,5-pyridinedicarboxylate) Product Name:Nifedipine impurity I (dimethyl 2,6-dimethyl-4-(2-nitrophenyl)-3,5-pyridinedicarboxylate) CAS No.:100339-N/A Molecular Formula:
Product Number:121280 Ficus microcarpa Product Name:Ficus microcarpa CAS No.:# Molecular Formula:
Product Number:121281 Hibiscus sylvestris Product Name:Hibiscus sylvestris CAS No.:# Molecular Formula:
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