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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-#-Ii107-25mg Ibuprofen EP impurity P Product Name:Ibuprofen EP impurity P CAS No.:36039-36-8 Molecular Formula:
Product Number:PCL-#-Bz0397-50mg Ceftriaxone sodium - impurity A Product Name:Ceftriaxone sodium - impurity A CAS No.:92143-31-2 Molecular Formula:
Product Number:PCL-#-Dt039-50mg 2,4-Diamino-6-dimethylamino-1,3,5-triazine Product Name:2,4-Diamino-6-dimethylamino-1,3,5-triazine CAS No.:1985-46-2 Molecular Formula:
Product Number:PCL-#-Az536-10mg Azithromycin impurity R Product Name:Azithromycin impurity R CAS No.:161193-44-8 Molecular Formula:
Product Number:PCL-#-Bz0119-50mg Terbutaline impurity 3 Product Name:Terbutaline impurity 3 CAS No.:28924-18-7 Molecular Formula:
Product Number:PCL-#-Al022-100mg Olaparib impurity ZZ41 Product Name:Olaparib impurity ZZ41 CAS No.:1937362-45-2 Molecular Formula:
Product Number:PCL-#-Bz0088-50mg Abiraterone NOx Product Name:Abiraterone NOx CAS No.:2517964-85-9 Molecular Formula:
Product Number:PCL-#-Hd173-50mg 2-Hydroxymethyl-3,5-dimethylpyridine Product Name:2-Hydroxymethyl-3,5-dimethylpyridine CAS No.:202932-05-6 Molecular Formula:
Product Number:PCL-#-Pa010-100mg Polyazole Product Name:Polyazole CAS No.:76738-62-0 Molecular Formula:
Product Number:PCL-#-Li086-100mg Linezolid impurity D Product Name:Linezolid impurity D CAS No.:1097835-42-1 Molecular Formula:
Product Number:PCL-#-Bz0284-50mg Erlotinib EL-7-105 intermediate Product Name:Erlotinib EL-7-105 intermediate CAS No.:574738-66-2 Molecular Formula:
Product Number:PCL-#-Qu002-50mg Quetiapine EP impurity B Product Name:Quetiapine EP impurity B CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Fm007-100mg Fmoc-L-leucine (Fmoc-Leu-OH) Product Name:Fmoc-L-leucine (Fmoc-Leu-OH) CAS No.:35661-60-0 Molecular Formula:
Product Number:PCL-#-Bz0015-50mg Lipoic acid monooxide impurity 4 Product Name:Lipoic acid monooxide impurity 4 CAS No.:2114407-83-7 Molecular Formula:
Product Number:PCL-#-Te025-100mg (S)-N-(5-methoxy-1,2,3,4-tetrahydronaphthalen-2-yl)propanamide Product Name:(S)-N-(5-methoxy-1,2,3,4-tetrahydronaphthalen-2-yl)propanamide CAS No.:244239-67-6 Molecular Formula:
Product Number:PCL-#-Ch076-25mg 2-[2-(4-Chlorophenyl)-1-methylazepan-2-yl]-pyridine (impurity R) Product Name:2-[2-(4-Chlorophenyl)-1-methylazepan-2-yl]-pyridine (impurity R) CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Ii116-50mg Ibuprofen EP impurity H Product Name:Ibuprofen EP impurity H CAS No.:2143535-25-3 Molecular Formula:
Product Number:PCL-#-Fu006-25mg Furosemide EP impurity D Product Name:Furosemide EP impurity D CAS No.:5046-19-5 Molecular Formula:
Product Number:PCL-#-Li002-50mg Linezolid impurity G; N-[(2R)-3-[[3-Fluoro-4-(4-morpholinyl)phenyl]amino]-2-hydroxypropyl]acetamide Product Name:Linezolid impurity G; N-[(2R)-3-[[3-Fluoro-4-(4-morpholinyl)phenyl]amino]-2-hydroxypropyl]acetamide CAS No.:333753-67-6 Molecular Formula:
Product Number:PCL-#-Qu011-50mg Quetiapine EP impurity K Product Name:Quetiapine EP impurity K CAS No.:1371638-10-6 Molecular Formula:
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