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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: Triallate Product Name:Triallate CAS No.:2303-17-5 Molecular Formula:
Product Number: Triadimenol Product Name:Triadimenol CAS No.:55219-65-3 Molecular Formula:
Product Number: Triadimefon Product Name:Triadimefon CAS No.:43121-43-3 Molecular Formula:
Product Number: Tralkoxydim Product Name:Tralkoxydim CAS No.:87820-88-0 Molecular Formula:
Product Number: Topramezone Product Name:Topramezone CAS No.:210631-68-8 Molecular Formula:
Product Number: Tolylfluanid Product Name:Tolylfluanid CAS No.:731-27-1 Molecular Formula:
Product Number: Tolclofos-methyl Product Name:Tolclofos-methyl CAS No.:57018-04-9 Molecular Formula:
Product Number: Thiram Product Name:Thiram CAS No.:137-26-8 Molecular Formula:
Product Number: Thiophanate methyl Product Name:Thiophanate methyl CAS No.:23564-05-8 Molecular Formula:
Product Number: Thiophanate Product Name:Thiophanate CAS No.:23564-06-9 Molecular Formula:
Product Number: Thiofanox sulfoxide Product Name:Thiofanox sulfoxide CAS No.:39184-27-5 Molecular Formula:
Product Number: Thiofanox sulfone Product Name:Thiofanox sulfone CAS No.:39184-59-3 Molecular Formula:
Product Number: Thiodicarb Product Name:Thiodicarb CAS No.:59669-26-0 Molecular Formula:
Product Number: Thifensulfuron-methyl Product Name:Thifensulfuron-methyl CAS No.:79277-27-3 Molecular Formula:
Product Number: Thidiazuron Product Name:Thidiazuron CAS No.:51707-55-2 Molecular Formula:
Product Number: Thiazopyr Product Name:Thiazopyr CAS No.:117718-60-2 Molecular Formula:
Product Number: Thiazafluron Product Name:Thiazafluron CAS No.:25366-23-8 Molecular Formula:
Product Number: Thiamethoxam Product Name:Thiamethoxam CAS No.:153719-23-4 Molecular Formula:
Product Number: Thiacloprid Product Name:Thiacloprid CAS No.:111988-49-9 Molecular Formula:
Product Number: Thiabendazole Product Name:Thiabendazole CAS No.:148-79-8 Molecular Formula:
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