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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: Dimetridazole Product Name:Dimetridazole CAS No.:551-92-8 Molecular Formula:
Product Number: Ipronidazole Product Name:Ipronidazole CAS No.:14885-29-1 Molecular Formula:
Product Number: Novobiocin sodium salt Product Name:Novobiocin sodium salt CAS No.:1476-53-5 Molecular Formula:
Product Number: Gentamycin sulfate Product Name:Gentamycin sulfate CAS No.:1405-41-0 Molecular Formula:
Product Number: Tiamulin Product Name:Tiamulin CAS No.:55297-95-5 Molecular Formula:
Product Number: Maduramicin ammonium Product Name:Maduramicin ammonium CAS No.:84878-61-5 Molecular Formula:
Product Number: Lincomycin hydrochloride monohydrate Product Name:Lincomycin hydrochloride monohydrate CAS No.:7179-49-9 Molecular Formula:
Product Number: Ciprofloxacin‑D8hydrochloride Product Name:Ciprofloxacin‑D8hydrochloride CAS No.:1216659-54-9 Molecular Formula:
Product Number: Flumequine Product Name:Flumequine CAS No.:42835-25-6 Molecular Formula:
Product Number: Oxolinic acid Product Name:Oxolinic acid CAS No.:14698-29-4 Molecular Formula:
Product Number: Difloxacin hydrochloride Product Name:Difloxacin hydrochloride CAS No.:91296-86-5 Molecular Formula:
Product Number: Sarafloxacin Product Name:Sarafloxacin CAS No.:98105-99-8 Molecular Formula:
Product Number: Marbofloxacin Product Name:Marbofloxacin CAS No.:115550-35-1 Molecular Formula:
Product Number: Lomefloxacin hydrochloride Product Name:Lomefloxacin hydrochloride CAS No.:98079-52-8 Molecular Formula:
Product Number: Danofloxacin Product Name:Danofloxacin CAS No.:112398-08-0 Molecular Formula:
Product Number: 13C2-Erythromycin Product Name:13C2-Erythromycin CAS No.: Molecular Formula:
Product Number: Tylosin tartrate Product Name:Tylosin tartrate CAS No.:74610-55-2 Molecular Formula:
Product Number: Spiramycin Product Name:Spiramycin CAS No.:8025-81-8 Molecular Formula:
Product Number: Erythromycin dihydrate Product Name:Erythromycin dihydrate CAS No.:59319-72-1 Molecular Formula:
Product Number: Doxycycline hyclate Product Name:Doxycycline hyclate CAS No.:24390-14-5 Molecular Formula:
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