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-#-Ac010-20mg	Product Name:Acetaminophen	CAS No.:103-90-2	Molecular Formula:
Product Number:PCL-#-Hp116-20mg	Product Name:L-hydroxyproline	CAS No.:51-35-4	Molecular Formula:
Product Number:PCL-#-Me102-100mg	Product Name:Glucosamine	CAS No.:6284-40-8	Molecular Formula:
Product Number:PCL-#-N028-1g	Product Name:naphthalene	CAS No.:91-20-3	Molecular Formula:
Product Number:71831-1g	Product Name:Cyclohexanone	CAS No.:108-94-1	Molecular Formula:
Product Number:PCL-#-Ci928-100mg	Product Name:Citric acid	CAS No.:77-92-9	Molecular Formula:
Product Number:PCL-#-Ta735-100mg	Product Name:Taurine	CAS No.:107-35-7	Molecular Formula:
Product Number:PCL-#-Ch025-20mg	Product Name:Cholesterol	CAS No.:57-88-5	Molecular Formula:
Product Number:PCL-#-Oc076-1g	Product Name:n-Octadecane	CAS No.:593-45-3	Molecular Formula:
Product Number:PCL-S-10057-250g	Product Name:Sodium dihydrogen phosphate, anhydrous	CAS No.:7558-80-7	Molecular Formula:
Product Number:PCL-#-Pa100-50mg	Product Name:phthalic acid	CAS No.:88-99-3	Molecular Formula:
Product Number:K01934-100g	Product Name:Lemon Yellow	CAS No.:1934-21-0	Molecular Formula:
Product Number:1ST2221-100mg	Product Name:Methyltestosterone	CAS No.:58-18-4	Molecular Formula:
Product Number:PCL-#-Di576-100mg	Product Name:2,6-dimethylphenol	CAS No.:576-26-1	Molecular Formula:
Product Number:PCL-#-Cd301-250mg	Product Name:Chlorhexidine acetate	CAS No.:56-95-1	Molecular Formula:
Product Number:PCL-#-Tr255-100mg	Product Name:Triamcinolone acetonide	CAS No.:76-25-5	Molecular Formula:
Product Number:PCL-#-Hy171-10mg	Product Name:p-Hydroxyphenylacetamide	CAS No.:17194-82-0	Molecular Formula:
Product Number:PCL-#-Le191-10mg	Product Name:Lenalidomide	CAS No.:191732-72-6	Molecular Formula:
Product Number:PCL-#-Sa302-100mg	Product Name:Salicylic acid	CAS No.:69-72-7	Molecular Formula:
Product Number:PCL-#-Cb810-1g	Product Name:Saccharin	CAS No.:81-07-2	Molecular Formula: