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-#-M945-20mg	Product Name:2'-Methoxycinnamaldehyde	CAS No.:1504-74-1	Molecular Formula:
Product Number:1ST3418-100mg	Product Name:O'Crillin	CAS No.:6197-30-4	Molecular Formula:
Product Number:PCL-#-Py127-1ml	Product Name:Pyruvic acid (Reich's method)	CAS No.:127-17-3	Molecular Formula:
Product Number:K-536469-25g	Product Name:N.N-dimethyl-p-phenylenediamine hydrochloride	CAS No.:536-46-9	Molecular Formula:
Product Number:PCL-#-Fe006-10mg	Product Name:6'-0-( trans-feruloyl]-flowering presenilins	CAS No.:131623-14-8	Molecular Formula:
Product Number:PCL-#-Bd104-1g	Product Name:1,1'-Binaphthyl-2,2'-bis(diphenylphosphine)	CAS No.:98327-87-8	Molecular Formula:
Product Number:PCL-#-Od975-50mg	Product Name:4,4'-Diaminodiphenyl ether	CAS No.:101-80-4	Molecular Formula:
Product Number:PCL-#-Ph253-20mg	Product Name:phenazine-1-carboxylic acid	CAS No.:2538-68-3	Molecular Formula:
Product Number:PCL-#-Ph550-20mg	Product Name:phenazine-1-carboxamide	CAS No.:550-89-0	Molecular Formula:
Product Number:PCL-#-S-253-250mg	Product Name:Benzoic acid standard	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-SS783-1g	Product Name:Sodium sulfite, anhydrous	CAS No.:7757-83-7	Molecular Formula:
Product Number:PCL-#-cin122-20mg	Product Name:Cinnamic acid cinnamyl ester,≥98	CAS No.:122-69-0	Molecular Formula:
Product Number:PCL-#-Fem122-20mg	Product Name:3-Phenylpropyl cinnamate	CAS No.:122-68-9	Molecular Formula:
Product Number:PCL-#-Ch217-250mg	Product Name:Chloral hydrate	CAS No.:302-17-0	Molecular Formula:
Product Number:PCL-#-Po488-1g	Product Name:Potassium cinnamate	CAS No.:16089-48-8	Molecular Formula:
Product Number:PCL-#-Td120-100mg	Product Name:toluene-2,4-diisocyanate	CAS No.:584-84-9	Molecular Formula:
Product Number:PCL-#-So607-100mg	Product Name:Sodium triacetoxyborohydride	CAS No.:56553-60-7	Molecular Formula:
Product Number:PCL-#-Di397-100mg	Product Name:1,5-Pentanediamine hydrochloride	CAS No.:1476-39-7	Molecular Formula:
Product Number:PCL-#-Ty195-100mg	Product Name:tyramine hydrochloride	CAS No.:60-19-5	Molecular Formula:
Product Number:PCL-#-Co484-20mg	Product Name:Coptisine	CAS No.:3486-66-6	Molecular Formula: