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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 Image Product Name CAS No. Molecular Formula
Product Number:PCL-2024BZ069-1ml Z-toxinophobia in acetone Product Name:Z-toxinophobia in acetone CAS No.:18708-87-7 Molecular Formula:
Product Number:PCL-2024BZ039-1mL E-toxinophobia in acetone Product Name:E-toxinophobia in acetone CAS No.:18708-86-6 Molecular Formula:
Product Number:PCL-#-Di775-250mg di-n-decyl phthalate Product Name:di-n-decyl phthalate CAS No.:84-77-5 Molecular Formula:
Product Number:PCL-#-Ea349-100mg methyl erucate Product Name:methyl erucate CAS No.:1120-34-9 Molecular Formula:
Product Number:PCL-#-Pr060-10g Perfluoro-2,5-dimethyl-3,6-dioxaheptanoic acid Product Name:Perfluoro-2,5-dimethyl-3,6-dioxaheptanoic acid CAS No.:2479-73-4 Molecular Formula:
Product Number:PCL-#-Pr059-10g Perfluoro-2,5-dimethyl-3,6-dioxaoctanoic acid Product Name:Perfluoro-2,5-dimethyl-3,6-dioxaoctanoic acid CAS No.:2479-74-5 Molecular Formula:
Product Number:PCL-2024SY023-500ml A bromine-saturated solution of potassium bromide Product Name:A bromine-saturated solution of potassium bromide CAS No.:N/A Molecular Formula:
Product Number:PCL-2024SY015-1.2ml Standard solution of Secnidazole in methanol Product Name:Standard solution of Secnidazole in methanol CAS No.:3366-95-8 Molecular Formula:
Product Number:PCL-#Me001-5ml methyl caproate Product Name:methyl caproate CAS No.:106-70-7 Molecular Formula:
Product Number:PCL-#-Au201-20mg Auramine O, 90% Product Name:Auramine O, 90% CAS No.:2465-27-2 Molecular Formula:
Product Number:PCL-#-Nh730-50mg Norethindrone vancomycin hydrochloride Product Name:Norethindrone vancomycin hydrochloride CAS No.:213997-73-0 Molecular Formula:
Product Number:PCL-2024SY065-1ml Tetracycline-[D6] standard solution in methanol Product Name:Tetracycline-[D6] standard solution in methanol CAS No.:2373374-42-4 Molecular Formula:
Product Number:PCL-#-Ma088-100mg D-Maltitol,≥98% Product Name:D-Maltitol,≥98% CAS No.:585-88-6 Molecular Formula:
Product Number:PCL-2024BZ049-5ml Standard substance for tert-butanol solution in water Product Name:Standard substance for tert-butanol solution in water CAS No.:N/A Molecular Formula:
Product Number:PCL-2024SY014-100ml aqueous solution of ethylenediamine Product Name:aqueous solution of ethylenediamine CAS No.:N/A Molecular Formula:
Product Number:PCL-2024SY013-1ml 3-MCPD palmitic acid monoester-D5 in ethyl acetate Product Name:3-MCPD palmitic acid monoester-D5 in ethyl acetate CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Cr012-10mg [2H5]-3-Chloro-1,2-propanediol Product Name:[2H5]-3-Chloro-1,2-propanediol CAS No.:342611-01-2 Molecular Formula:
Product Number:PCL-2024SY012-1ml 2-chloro-1,3-propanediol in ethyl acetate Product Name:2-chloro-1,3-propanediol in ethyl acetate CAS No.:N/A Molecular Formula:
Product Number:PCL-2024SY011-1ml 2-chloro-1,3-propanediol-D5 isotope in ethyl acetate Product Name:2-chloro-1,3-propanediol-D5 isotope in ethyl acetate CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Md947-100mg 4-Methyl-1,3-dioxane Product Name:4-Methyl-1,3-dioxane CAS No.:1120-97-4 Molecular Formula:
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