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-#-Na001-100mg	Product Name:1-naphthol	CAS No.:90-15-3	Molecular Formula:
Product Number:PCL-#-Py053-1ml	Product Name:2-Pyrrolidone	CAS No.:616-45-5	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-#-Tr025-1ml	Product Name:1,2,4-Trimethylbenzene	CAS No.:95-63-6	Molecular Formula:
Product Number:PCL-#-Di066-100mg	Product Name:o-Diiodobenzene	CAS No.:615-42-9	Molecular Formula:
Product Number:PCL-#-Pa063	Product Name:propionic anhydride	CAS No.:123-62-6	Molecular Formula:
Product Number:PCL-D-013-2ml	Product Name:Ether	CAS No.:60-29-7	Molecular Formula:
Product Number:PCL-T-002-2ml	Product Name:Methanol	CAS No.:67-56-1	Molecular Formula:
Product Number:PCL-#-Ro105-10mg	Product Name:Rosiglitazone	CAS No.:122320-73-4	Molecular Formula:
Product Number:PCL-#-Be617-100mg	Product Name:2-phenylisopropanol	CAS No.:617-94-7	Molecular Formula:
Product Number:PCL-#-Er112-1g	Product Name:erucic acid amide	CAS No.:112-84-5	Molecular Formula:
Product Number:PCL-#-Di158-100mg	Product Name:1,4-Dihydro-4-oxoquinoline-2-carboxylic acid	CAS No.:13593-94-7	Molecular Formula:
Product Number:PCL-#-Is015-5ml	Product Name:isopropyl acetate	CAS No.:108-21-4	Molecular Formula:
Product Number:C23388	Product Name:Cyclophosphamide-related compound A hydrochloride	CAS No.:81-48-7	Molecular Formula:
Product Number:PCL-#-Ds008-100mg	Product Name:disodium succinate	CAS No.:150-90-3	Molecular Formula:
Product Number:PCL-#-Be009-100mg	Product Name:dichlorotoluene	CAS No.:98-87-3	Molecular Formula:
Product Number:PCL-#-Am671-100mg	Product Name:4-aminobiphenyl	CAS No.:92-67-1	Molecular Formula:
Product Number:PCL-#-Am094-100mg	Product Name:4-aminoazobenzene	CAS No.:60-09-3	Molecular Formula:
Product Number:PCL-#-Tr065-100mg	Product Name:trichloroethylene	CAS No.:79-01-6	Molecular Formula:
Product Number:PCL-#-Ap011-50mg	Product Name:p-Nitroaniline	CAS No.:100-01-6	Molecular Formula: