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Pharmaceutical Testing Reference Mterials

Pharmaceutical Reference Materials (PRMs) refer to substances with defined characteristic values used for calibrating instruments, evaluating measurement methods, or assigning values to tested pharmaceuticals in physical/chemical tests and biological assays specified by pharmacopoeial standards. These include reference standards, comparators, herbal reference materials, and reference preparations.

Hengyuan Fine Chemical specializes in providing cost-effective reference material solutions for pharmaceutical quality control, encompassing:

  • Drug testing reference standards
  • Pharmaceutical impurity reference standards
  • NIFDC-certified reference materials
  • Chemical analysis reference standards
  • Traditional Chinese Medicine (TCM) analytical standards
  • TCM reference standards
  • Herbal blank matrices for pesticide residue testing
  • Bio-peptide reference standards
All products under our PCL brand comply with both national standards and international guidelines. Our accreditations include:

  • CNAS certification (China National Accreditation Service for Conformity Assessment)
  • ISO 17034:2016 certification for reference material producers
  • ISO 9001:2015 quality management system certification We implement a comprehensive quality management system supported by Certificates of Analysis (COA), ensuring high purity (>98%), batch-to-batch consistency, and full traceability. Our solutions are widely applied in pharmaceutical R&D, QC testing, and analytical verification to enhance testing accuracy and operational efficiency.

Through our vertically integrated business model (R&D-production-sales), we eliminate intermediaries to deliver:

 ✓ Bulk supply capacities for routine QC needs 

✓ Custom synthesis services for specialized compounds 

✓ 30-50% cost reduction versus market averages 

✓ Streamlined procurement workflows 

This dual approach establishes economically optimized yet reliable quality control frameworks for clients across the pharmaceutical value chain.



Product Number Image Product Name CAS No. Molecular Formula
Product Number:PCL-#-Vi099-10mg Betahistine hydrochloride impurity A Product Name:Betahistine hydrochloride impurity A CAS No.:100-69-6 Molecular Formula:
Product Number:PCL-#-Ac674-100mg Dienone Product Name:Dienone CAS No.:674-82-8 Molecular Formula:
Product Number:PCL-#-Bi035-50mg Bisoprolol impurity A Product Name:Bisoprolol impurity A CAS No.:62572-93-4 Molecular Formula:
Product Number:PCL-#-Hx589-100mg 5,6-dimethyl-1-nitroso-1H-benzimidazole Product Name:5,6-dimethyl-1-nitroso-1H-benzimidazole CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Ax256-25mg Ambroxol hydrochloride impurity S Product Name:Ambroxol hydrochloride impurity S CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Bi097 (1R)-1-((4R,4aR,8aS)-2,6-Bis(3,4-dimethylphenyl)tetrahydro-[1,3]dioxolo[5,4-d][1,3]dioxolan-4-yl)ethane-1,2-diol Product Name:(1R)-1-((4R,4aR,8aS)-2,6-Bis(3,4-dimethylphenyl)tetrahydro-[1,3]dioxolo[5,4-d][1,3]dioxolan-4-yl)ethane-1,2-diol CAS No.:135861-56-2 Molecular Formula:
Product Number:PCL-#-Fi030-50mg Fenelidone nitrosamine impurity Product Name:Fenelidone nitrosamine impurity CAS No.:# Molecular Formula:
Product Number:PCL-#-Fi029-50mg Fenelidone nitrogen oxidizing impurities Product Name:Fenelidone nitrogen oxidizing impurities CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Ni073-100mg Nilotinib nitrosamine impurities Product Name:Nilotinib nitrosamine impurities CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Ni071-100mg Nilotinib IM02 nitrosamines Product Name:Nilotinib IM02 nitrosamines CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Be002-25mg Isoprenaline hydrochloride impurity 2 Product Name:Isoprenaline hydrochloride impurity 2 CAS No.:530-08-5 Molecular Formula:
Product Number:PCL-#-Be001-25mg Isoprenaline hydrochloride impurity 1 Product Name:Isoprenaline hydrochloride impurity 1 CAS No.:# Molecular Formula:
Product Number:PCL-#-Dp499-1g 3,4,5,6-tetrahydropyridine-2-carboxylic acid Product Name:3,4,5,6-tetrahydropyridine-2-carboxylic acid CAS No.:2756-89-0 Molecular Formula:
Product Number:PCL-#-Dp498-1g delta(2)-piperidine-2-carboxylic acid Product Name:delta(2)-piperidine-2-carboxylic acid CAS No.:99839-26-6 Molecular Formula:
Product Number:PCL-#-Me141-100mg Isopropylideneacetone Product Name:Isopropylideneacetone CAS No.:141-79-7 Molecular Formula:
Product Number:PCL-#-QF546-200mg Vortioxetine hydrobromide ethyl chloride impurity 4-{2-[(2-chloroethyl)amino]ethyl}-1-{2-[(2,4-dimethylphenyl)thio]phenyl}piperazine Product Name:Vortioxetine hydrobromide ethyl chloride impurity 4-{2-[(2-chloroethyl)amino]ethyl}-1-{2-[(2,4-dimethylphenyl)thio]phenyl}piperazine CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Te915-1g 2-(tert-butylamino)acetyl chloride hydrochloride Product Name:2-(tert-butylamino)acetyl chloride hydrochloride CAS No.:915725-52-9 Molecular Formula:
Product Number:PCL-#-Nm120-200mg Midostaurin Product Name:Midostaurin CAS No.:120685-11-2 Molecular Formula:
Product Number:PCL-#-Pi137-100mg Pimecrolimus Product Name:Pimecrolimus CAS No.:137071-32-0 Molecular Formula:
Product Number:PCL-#-Ti220-250mg Tigecycline Product Name:Tigecycline CAS No.:220620-09-7 Molecular Formula:
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