Standard Solution (Certified Reference Material, CRM)

Hengyuan Fine Chemical is an authorized distributor of PCL brand standard solutions.
• CNAS-certified reference material producer, utilize ultra-high-purity raw materials to prepare precise standard solutions for trace analysis, content determination, and other applications, ensuring data traceability to international metrological benchmarks (e.g., NIST).
• Products strictly comply with USP/EP/ChP pharmacopeial standards, with full-process cold-chain logistics, batch consistency verification, and stability testing to guarantee long-term concentration stability, compatible with HPLC, GC, ICP-MS, and other precision instruments.
• Offering customizable concentration gradients, multi-industry solutions (pharmaceuticals, environmental monitoring, food safety), and CNAS compliance support, Hengyuan Fine Chemical enhances clients’ testing efficiency, reduces quality control risks, and aims to become your trusted partner.

Product Number	Product Name	CAS No.	Molecular Formula
Product Number:K051023-100ml	Product Name:Iodine Bromide Acetic Acid Solution, 0.1 mol/L Pharmacopoeia grade	CAS No.:7789-33-5	Molecular Formula:
Product Number:PCL-2024HC055-500ml	Product Name:Phosphate buffer (pH 6.5) (customized product)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY119-1g	Product Name:Methylene chloride solution	CAS No.:N/A	Molecular Formula:
Product Number:E124433-25g	Product Name:1,2-Epoxy-3,3,3-trifluoropropane	CAS No.:359-41-1	Molecular Formula:
Product Number:D155394-25g	Product Name:1,3-Dioxan-2-one	CAS No.:2453-03-4	Molecular Formula:
Product Number:T299433-25ml	Product Name:trifluoroethyl methacrylate	CAS No.:352-87-4	Molecular Formula:
Product Number:T162232-25g	Product Name:1,3,5-Triacryloylhexahydro-1,3,5-triazine	CAS No.:959-52-4	Molecular Formula:
Product Number:D155475-25g	Product Name:Dicyclohexylmethane 4,4'-diisocyanate (mixture of isomers)	CAS No.:5124-30-1	Molecular Formula:
Product Number:T104054-25ml	Product Name:Triethyl borate	CAS No.:150-46-9	Molecular Formula:
Product Number:T140677-100ml	Product Name:Triethylamine	CAS No.:121-44-8	Molecular Formula:
Product Number:P478297-500g	Product Name:Polybutadiene, cis	CAS No.:9003-17-2	Molecular Formula:
Product Number:X103338-500ml	Product Name:paraxylene	CAS No.:106-42-3	Molecular Formula:
Product Number:H332256-1g	Product Name:oxidized hematoxylin	CAS No.:475-25-2	Molecular Formula:
Product Number:PCL-2024RY156-1ml	Product Name:Standard substance for gas chromatograph calibration (n-hexadecane-YXW solution)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021SY262-250ml	Product Name:Alkaline copper citrate test solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021ZSY017-50ml	Product Name:Cresol red-muscovite blue mixed indicator solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2020DD015-1L	Product Name:Potassium dichromate titrimetric solution standard, 0.01667 mol/L	CAS No.:7778-50-9	Molecular Formula:
Product Number:PCL-2024RY420-100ml	Product Name:Lead nitrate solution	CAS No.:N/A	Molecular Formula:
Product Number:TM-SJ-0086- 100	Product Name:Alkaline potassium mercuric iodide test solution	CAS No.:N/A	Molecular Formula:
Product Number:GBW10014a（GSB-5a）	Product Name:Biocomponent analysis standard substance-Cabbage	CAS No.:N/A	Molecular Formula: