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-RM0090-10g	Product Name:Glycerol (1,2,3-propanetriol)	CAS No.:56-81-5	Molecular Formula:
Product Number:KLKEFX001-500ml	Product Name:Karl Fischer reagent (single crew member without pyridine)	CAS No.:N/A	Molecular Formula:
Product Number:RR390A	Product Name:Fluorescence quantitative RCR premix	CAS No.:N/A	Molecular Formula:
Product Number:A16968-500g	Product Name:Tripropylene glycol methyl ether	CAS No.:25498-49-1	Molecular Formula:
Product Number:A456-4	Product Name:Methanol (original import)	CAS No.:67-56-1	Molecular Formula:
Product Number:GF28370-500g	Product Name:2,6-di-tert-butyl-p-cresol	CAS No.:128-37-0	Molecular Formula:
Product Number:PCL-2024SY017-500ml	Product Name:Sodium sulfite solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SY016-100ml	Product Name:0.05% aluminum reagent solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ061-1ml	Product Name:Bisphenol A-D16 solution in acetonitrile	CAS No.:96210-87-6	Molecular Formula:
Product Number:PCL-#-Me264-20mg	Product Name:Pitocin/boosterin	CAS No.:24307-26-4	Molecular Formula:
Product Number:PCL-#-Ch815-20mg	Product Name:Chlormequat chloride	CAS No.:999-81-5	Molecular Formula:
Product Number:PCL-#-S495-20mg	Product Name:Tetrahydroxanthine	CAS No.:4312-32-7	Molecular Formula:
Product Number:PCL-2024BZ145-20ml	Product Name:Sulfate standard solution (sulfate)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ142-20ml	Product Name:Volatile phenol standard solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Oo328-1mg	Product Name:Paeonil-3-O-rutinoside chloride	CAS No.:27539-32-8	Molecular Formula:
Product Number:PCL-#-Cc175-1mg	Product Name:Geranium-3-O-rutinoside chloride	CAS No.:33978-17-5	Molecular Formula:
Product Number:PCL-#-Dim001-50mg	Product Name:2,6-dimethoxyphenol	CAS No.:91-10-1	Molecular Formula:
Product Number:PCL-#-M945-20mg	Product Name:2'-Methoxycinnamaldehyde	CAS No.:1504-74-1	Molecular Formula:
Product Number:PCL-2024BZ074-1.2ml	Product Name:gibberellins in acetonitrile	CAS No.:77-06-5	Molecular Formula:
Product Number:PCL-2024BZ070-1.2ml	Product Name:Propargyl fluroxypyr in acetonitrile	CAS No.:103361-09-7	Molecular Formula: