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-#-Mb100-20mg	Product Name:1,1,3,3-tetraethoxypropane	CAS No.:122-31-6	Molecular Formula:
Product Number:PCL-#-Od975-50mg	Product Name:4,4'-Diaminodiphenyl ether	CAS No.:101-80-4	Molecular Formula:
Product Number:PCL-#-Di043-50mg	Product Name:diphenyl ether	CAS No.:101-84-8	Molecular Formula:
Product Number:PCL-#-Ca027-100mg	Product Name:catechol	CAS No.:120-80-9	Molecular Formula:
Product Number:PCL-#-An147-5ml	Product Name:aniline; aminobenzene	CAS No.:62-53-3	Molecular Formula:
Product Number:PCL-T-10101-1g	Product Name:Sulfanilamide	CAS No.:63-74-1	Molecular Formula:
Product Number:PCL-#-Ni106-100mg	Product Name:o-Nitrotoluene	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Cy094-50mg	Product Name:Monocyanamide	CAS No.:420-04-2	Molecular Formula:
Product Number:PCL-#-D453-20mg	Product Name:Glucan	CAS No.:9004-54-0	Molecular Formula:
Product Number:PCL-#-Re107-50mg	Product Name:Vitamin A acid	CAS No.:302-79-4	Molecular Formula:
Product Number:PCL-#-Do001-100mg	Product Name:n-Trisadecane	CAS No.:544-85-4	Molecular Formula:
Product Number:PCL-#-Di016-100mg	Product Name:2,4-Dimethylbenzenesulfonic acid	CAS No.:88-61-9	Molecular Formula:
Product Number:PCL-#-Br312-50mg	Product Name:1-bromoadamantane	CAS No.:768-90-1	Molecular Formula:
Product Number:PCL-#-He005-100mg	Product Name:n-hexadecanol	CAS No.:36653-82-4	Molecular Formula:
Product Number:PCL-#-Ph135-50mg	Product Name:Phenol	CAS No.:108-95-2	Molecular Formula:
Product Number:PCL-#-Ch013-50mg	Product Name:m-Chlorobenzeneacetonitrile	CAS No.:1529-41-5	Molecular Formula:
Product Number:PCL-#-Ni097-50mg	Product Name:o-Nitrobenzaldehyde	CAS No.:552-89-6	Molecular Formula:
Product Number:PCL-#-Am578-100mg	Product Name:Amlexanox	CAS No.:68302-57-8	Molecular Formula:
Product Number:PCL-#-Di156-1ml	Product Name:dimethylnitrosamine	CAS No.:62-75-9	Molecular Formula:
Product Number:PCL-#-So100-50mg	Product Name:Tin Dioxide,≥99.95%	CAS No.:18282-10-5	Molecular Formula: