Products

Analytical reference standards

How to Choose an Analytical Reference Standard Supplier？

Analytical reference standards are critical components of quality assurance in laboratories. These standards are defined and supplied by manufacturers with accompanying Certificates of Analysis (COA). Key factors to consider when selecting a supplier include purity, stability, traceability, applicability, and supplier credibility. Analytical standards must exhibit high purity to ensure accuracy and reliability in test results. Additionally, they should maintain stability over time, preserving their chemical properties and concentration under specified storage conditions.

Hengyuan Fine Chemical’s PCL Brand
PCL, produced by Sichuan Purechemland Reference Materials Co., Ltd., is a trusted supplier of analytical reference standards. As a National Reference Material Development Unit, China Chemical Reagent Industry Association member, and AAA Credit Enterprise, PCL operates with full certifications:

CNAS accreditation
ISO 17034:2016 (Reference Material Producer certification)
ISO 9001:2015 (Quality Management System for R&D and sales)
Multiple independent intellectual property rights

Equipped with advanced analytical instruments (e.g., LC, LC-MS, GC, NMR, IR spectroscopy, automatic potentiometric titrators, UV spectrophotometers), PCL ensures homogeneous materials, precisely characterized values, and COA-certified products，Purity≥99%. We offer custom synthesis services, factory-direct pricing, stable supply chains, and dedicated post-sales support.

Product Number	Product Name	CAS No.	Molecular Formula
Product Number:20 09 0873	Product Name:Vapor phase headspace bottles	CAS No.:N/A	Molecular Formula:
Product Number:8103061	Product Name:Moisture detection tube	CAS No.:N/A	Molecular Formula:
Product Number:6728371	Product Name:Oil content detection tube	CAS No.:N/A	Molecular Formula:
Product Number:GBW(E)082348	Product Name:Atrazine solution reference material in acetone	CAS No.:1912-24-9	Molecular Formula:
Product Number:PCL-2024BZ073-1.2ml	Product Name:Methamidophos in acetone	CAS No.:24353-61-5	Molecular Formula:
Product Number:1ST20321-1000T	Product Name:Heptachlor epoxide solution in toluene	CAS No.:1024-57-3	Molecular Formula:
Product Number:ZJT-1/16-1/8	Product Name:adapter	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Ch099-5g	Product Name:P-chlorobenzene methanol	CAS No.:873-76-7	Molecular Formula:
Product Number:PCL-#-Ma020-1g	Product Name:DL- mandelic acid	CAS No.:90-64-2	Molecular Formula:
Product Number:PCL-#-Ha416-20mg	Product Name:5- hydroxymethyl -2- furoic acid	CAS No.:6338-41-6	Molecular Formula:
Product Number:PCL-#-Va109-25mg	Product Name:Vanillin -4-β-D- glucoside	CAS No.:32142-31-7	Molecular Formula:
Product Number:PCL-#-Fu012-5mg	Product Name:Fumonisin B2	CAS No.:116355-84-1	Molecular Formula:
Product Number:PCL-#-Fu011-5mg	Product Name:Fumonisin B1	CAS No.:116355-83-0	Molecular Formula:
Product Number:PCL-#-Cu204-10mg	Product Name:Curcumone	CAS No.:20493-56-5	Molecular Formula:
Product Number:PCL-#-H1350-10mg	Product Name:Maltine,	CAS No.:539-15-1	Molecular Formula:
Product Number:77689-10mg	Product Name:Standard /1-(2- pyridyl) piperazine	CAS No.:34803-66-2	Molecular Formula:
Product Number:PCL-#-Cn943-20mg	Product Name:Ophiopogon japonicus saponin -3-O-α-L- pyranoside -(1→2)-β-D- glucopyranoside	CAS No.:128502-94-3	Molecular Formula:
Product Number:PCL-#-So006-50mg	Product Name:Sodium dichloroacetate	CAS No.:2156-56-1	Molecular Formula:
Product Number:PCL-#-Me029-120mg	Product Name:methylamine hydrochloride	CAS No.:593-51-1	Molecular Formula:
Product Number:PCL-#-Di019-100mg	Product Name:Dimethylamine hydrochloride	CAS No.:506-59-2	Molecular Formula: