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:PCL-#-Ce530-100mg	Product Name:9-chloroanthracene	CAS No.:716-53-0	Molecular Formula:
Product Number:PCL-#-Ch728-100mg	Product Name:9-chlorophenanthrene	CAS No.:947-72-8	Molecular Formula:
Product Number:PCL-#-Br643-100mg	Product Name:9-Bromoanthracene,98%	CAS No.:1564-64-3	Molecular Formula:
Product Number:PCL-#-Co517-100mg	Product Name:3-chlorofluorescent anthracene	CAS No.:25911-51-7	Molecular Formula:
Product Number:PCL-#-Do481-100mg	Product Name:9,10-Dichloroanthracene,98%	CAS No.:605-48-1	Molecular Formula:
Product Number:PCL-#-BR849-100mg	Product Name:7-bromobenz(2)anthracene	CAS No.:32795-84-9	Molecular Formula:
Product Number:PCL-#-Br974-100mg	Product Name:2-bromophenanthrene	CAS No.:62162-97-4	Molecular Formula:
Product Number:PCL-#-Br504-100mg	Product Name:3-Bromophenanthrene	CAS No.:715-50-4	Molecular Formula:
Product Number:PCL-#-Br269-100mg	Product Name:4-bromopyrene	CAS No.:1732-26-9	Molecular Formula:
Product Number:PCL-#-Br808-100mg	Product Name:2-Bromofluorene,98%	CAS No.:1133-80-8	Molecular Formula:
Product Number:PCL-2024SY115-500ml	Product Name:Magnesium chloride solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Me403-100mg	Product Name:isopropyl mesylate	CAS No.:926-06-7	Molecular Formula:
Product Number:PCL-#-Me402-100mg	Product Name:ethyl methanesulfonate	CAS No.:62-50-0	Molecular Formula:
Product Number:PCL-#-Me401-100mg	Product Name:methyl methanesulfonate	CAS No.:66-27-3	Molecular Formula:
Product Number:PCL-#-Ga308-100mg	Product Name:Glucuronic acid	CAS No.:576-37-4	Molecular Formula:
Product Number:PCL-#-Pr018-100mg	Product Name:1-propanesulfonic acid	CAS No.:5284-66-2	Molecular Formula:
Product Number:PCL-#-Bz009-100mg	Product Name:Ethyl 4-aminobenzoate	CAS No.:94-09-7	Molecular Formula:
Product Number:PCL-2023BZ1104	Product Name:TCA in water	CAS No.:76-03-9	Molecular Formula:
Product Number:PCL-2023BZ1103	Product Name:Dichloroacetic acid in water	CAS No.:79-43-6	Molecular Formula:
Product Number:PCL-#-Di079-100mg	Product Name:Diethyl glutarate	CAS No.:818-38-2	Molecular Formula: