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:PCL-2024BZ495-1ml	Product Name:2,4-di-tert-butylphenol solution in methanol	CAS No.:96-76-4	Molecular Formula:
Product Number:PCL-2024BZ494-1ml	Product Name:4-n-nonylphenol-D4 solution in methanol	CAS No.:1173019-62-9	Molecular Formula:
Product Number:PCL-2024BZ098-500ml	Product Name:standard ammonium chloride solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021BZ026-500ml	Product Name:standard lead reserve solution	CAS No.:N/A	Molecular Formula:
Product Number:CP00001001	Product Name:Horseshoe crab reagent (box)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023BZ1065-50ml	Product Name:Zinc single-element solution standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ138-500ml	Product Name:Standard solution of suspended solids in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ1120-100ml	Product Name:standard calcium solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021SY0643-500ml	Product Name:Mercury acetate acetic acid solution	CAS No.:N/A	Molecular Formula:
Product Number:H102969	Product Name:4-Hydroxyacetophenone	CAS No.:99-93-4	Molecular Formula:
Product Number:H108067	Product Name:1,2-Hexanediol	CAS No.:6920-22-5	Molecular Formula:
Product Number:PCL-2024BZ118-100ml	Product Name:standard solution of periodate	CAS No.:10450-60-9	Molecular Formula:
Product Number:PCL-#-HC030-500ml	Product Name:Tween 20 PBS buffer	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW256-5ml	Product Name:Standard substance for caffeine solution in methanol	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY166-1ml	Product Name:Vitamin A standard solution	CAS No.:68-26-8	Molecular Formula:
Product Number:PCL-2024BZ257-500ml	Product Name:ethanol solution of hydrochloric acid	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ258-500ml	Product Name:Hydrogen chloride isopropanol solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ492-50ml	Product Name:Silver single element standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ490-10ml	Product Name:Quality control of fumes in perchloroethylene	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2020HC065-100ml	Product Name:Phthalate standard buffer (PH buffer/PH buffer solution/potassium hydrogen phthalate pH solution standard substance)	CAS No.:N/A	Molecular Formula: