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-2021BZ085-1.5ml		Product Name:Caffeine aqueous solution standard material (220ug/ml)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021BZ083-1.5ml		Product Name:Caffeine aqueous solution standard material (2000 ug/mL)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021BZ086-1.5ml		Product Name:Caffeine aqueous solution standard material (140ug/mL)	CAS No.:#	Molecular Formula:
Product Number:PCL-2021BZ088-1.5ml		Product Name:Caffeine aqueous solution standard material (10 ug/mL)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY106-20ml		Product Name:Chemical Oxygen Demand Quality Control Sample	CAS No.:	Molecular Formula:
Product Number:1ST47795-100DM		Product Name:Mixed standard solution of 19 quinolones in dimethyl sulfoxide/methanol, 100 μg/mL	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021BZ213-1ml		Product Name:Acetaldehyde solution standard material	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023SY009-100ml		Product Name:Trifluoroacetic acid solution	CAS No.:76-05-1	Molecular Formula:
Product Number:PCL-2024HC033-20ml		Product Name:PH quality control sample	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY020-100ml		Product Name:Toluene in N-methylpyrrolidone	CAS No.:#	Molecular Formula:
Product Number:PCL-2024HB001-1.2mL		Product Name:Mixed standard of 25 kinds of residual solvents in N,N-dimethylformamide/GB31604.60-2024 Method 1 Gas chromatography	CAS No.:N/A	Molecular Formula:
Product Number:GSB 04-1750-2004-1		Product Name:KANG standard solution	CAS No.:N/A	Molecular Formula:
Product Number:1ST47804Z-100μg		Product Name:8 Tetracycline Solid Mixed Standards	CAS No.:N/A	Molecular Formula:
Product Number:1ST47796Z-100μg		Product Name:6 kinds of penicillin solid mixed standards	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ563-50ml		Product Name:5 kinds of cation mixed standard solution	CAS No.:N/A	Molecular Formula:
Product Number:1ST47794Z-100μg		Product Name:5 kinds of cephalosporin solid mixed standard	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021BZ481-100ml		Product Name:Redox Standard Solution(124mV,25℃）	CAS No.:	Molecular Formula:
Product Number:PCL-2021BZ486-100ml		Product Name:Redox Standard Solution(475mV,25℃）)	CAS No.:	Molecular Formula:
Product Number:PCL-2021BZ482-100ml		Product Name:Redox Standard Solution(220mV,25℃）)	CAS No.:	Molecular Formula:
Product Number:PCL-2021BZ484-100ml		Product Name:Redox Standard Solution(256mV,25℃）)	CAS No.:	Molecular Formula:

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