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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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Hengyuan Fine Chemical—where precision becomes a habit and trust becomes a bond.


Product Number Image Product Name CAS No. Molecular Formula
Product Number:PCL-2025SY001-500ml 1-Phenyl-3-methyl-5-pyrazolone methanol solution Product Name:1-Phenyl-3-methyl-5-pyrazolone methanol solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY644-500mL n-butyllithium solution in hexane Product Name:n-butyllithium solution in hexane CAS No.:N/A Molecular Formula:
Product Number:PCL-2023BZ141-250ml PH buffers Product Name:PH buffers CAS No.:N/A Molecular Formula:
Product Number:PCL-2023BZ137-1L pH buffer solution Product Name:pH buffer solution CAS No.: Molecular Formula:
Product Number:PCL-2024BZ650-500ml Tin single-element solution standard substance Product Name:Tin single-element solution standard substance CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY236-500ml Tetrabutylammonium hydroxide-isopropanol titration solution, 0.1 mol/L Product Name:Tetrabutylammonium hydroxide-isopropanol titration solution, 0.1 mol/L CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ577-5ml Vinyl chloride, chloroform, carbon tetrachloride, 1,2-dichloroethane solution standards in ethanol Product Name:Vinyl chloride, chloroform, carbon tetrachloride, 1,2-dichloroethane solution standards in ethanol CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ576-5ml Standard substance for 1,3-dichlorobutane solution in 1,2-dichloroethane Product Name:Standard substance for 1,3-dichlorobutane solution in 1,2-dichloroethane CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ575-5ml Standard substance for 2-chloroethanol solution in 1,2-dichloroethane Product Name:Standard substance for 2-chloroethanol solution in 1,2-dichloroethane CAS No.:N/A Molecular Formula:
Product Number:PCL-2024ZSY522 mixed alkali solutions Product Name:mixed alkali solutions CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ373-100ml Potato straight chain starch solution standard substance Product Name:Potato straight chain starch solution standard substance CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ375-100mL Potato branched-chain starch solution standard substance Product Name:Potato branched-chain starch solution standard substance CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ183-2ml Standard solution of naphthalene in methanol Product Name:Standard solution of naphthalene in methanol CAS No.:N/A Molecular Formula:
Product Number:PCL-2024SW561-1ml Standard substance for ochratoxin A solution in methanol Product Name:Standard substance for ochratoxin A solution in methanol CAS No.:303-47-9 Molecular Formula:
Product Number:PCL-2024SW554-1ml Standard substance for fumonisin B2 solution in methanol Product Name:Standard substance for fumonisin B2 solution in methanol CAS No.:116355-84-1 Molecular Formula:
Product Number:PCL-2024SW549-1ml Standard substance for fumonisin B1 solution in methanol Product Name:Standard substance for fumonisin B1 solution in methanol CAS No.:116355-83-0 Molecular Formula:
Product Number:K049502-500ml standard solution of hydrochloric acid Product Name:standard solution of hydrochloric acid CAS No.:7647-01-0 Molecular Formula:
Product Number:PCL-2024BZ339-2ml 7 benzenes in methanol on a mixed scale Product Name:7 benzenes in methanol on a mixed scale CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ302-20ml Quality control samples for biochemical oxygen demand of water Product Name:Quality control samples for biochemical oxygen demand of water CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ355-20ml water quality control samples for permanganate Product Name:water quality control samples for permanganate CAS No.:N/A Molecular Formula:
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