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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-#-Pi0101-20mg 2-piperidone Product Name:2-piperidone CAS No.:675-20-7 Molecular Formula:
Product Number:1ST5740-100mg Ofloxacin Product Name:Ofloxacin CAS No.:82419-36-1 Molecular Formula:
Product Number:PCL-#-Di731-50mg Isoniazid N-oxide Product Name:Isoniazid N-oxide CAS No.:6975-73-1 Molecular Formula:
Product Number:PCL-#-Di087-100mg 5,6-Dihydroxyindole Product Name:5,6-Dihydroxyindole CAS No.:3131-52-0 Molecular Formula:
Product Number:PCL-#-So005-20mg Sodium oxalate Product Name:Sodium oxalate CAS No.:62-76-0 Molecular Formula:
Product Number:PCL-#-Y171-20mg Yaconite hydrochloride Product Name:Yaconite hydrochloride CAS No.:960383-96-4 Molecular Formula:
Product Number:PCL-#-Di103-50mg Diisopropylamine Product Name:Diisopropylamine CAS No.:108-18-9 Molecular Formula:
Product Number:PCL-#-Cy376-50mg Tegretol impurity TG-2 Product Name:Tegretol impurity TG-2 CAS No.:376608-71-8 Molecular Formula:
Product Number:PCL-#-Az002-100mg Diethyl sulfite Product Name:Diethyl sulfite CAS No.:623-81-4 Molecular Formula:
Product Number:PCL-#-Fo2310-50mg Rifampicin impurity I Product Name:Rifampicin impurity I CAS No.:13292-22-3 Molecular Formula:
Product Number:PCL-#-Di0361-50mg 4-dimethylaminopyridine Product Name:4-dimethylaminopyridine CAS No.:1122-58-3 Molecular Formula:
Product Number:PCL-#-Su0312-100mg Methyl 2-methoxy-5-sulfamoylbenzoate; Sulpiride EP impurity B Product Name:Methyl 2-methoxy-5-sulfamoylbenzoate; Sulpiride EP impurity B CAS No.:33045-52-2 Molecular Formula:
Product Number:PCL-#-CB947-1ml Dimethyl phthalate Product Name:Dimethyl phthalate CAS No.:131-11-3 Molecular Formula:
Product Number:110834 methyl nonanone Product Name:methyl nonanone CAS No.:110834-N/A Molecular Formula:
Product Number:520016 Dioctyl phthalate Product Name:Dioctyl phthalate CAS No.:117-84-0 Molecular Formula:
Product Number:100498 p-chlorophenol Product Name:p-chlorophenol CAS No.:106-48-9 Molecular Formula:
Product Number:PCL-#-Be015-50mg Benzyl glycinate hydrochloride Product Name:Benzyl glycinate hydrochloride CAS No.:2462-31-9 Molecular Formula:
Product Number:PCL-#-La015-5g Lactic acid Product Name:Lactic acid CAS No.:50-21-5 Molecular Formula:
Product Number:190072 DL-tartaric acid Product Name:DL-tartaric acid CAS No.:133-37-9 Molecular Formula:
Product Number:PCL-#-Am111-100mg N-(3-Amino-5,7-dimethyladamantan-1-yl)acetamide; 1-Amino-3,5-dimethyl-7-acetamidoadamantane Product Name:N-(3-Amino-5,7-dimethyladamantan-1-yl)acetamide; 1-Amino-3,5-dimethyl-7-acetamidoadamantane CAS No.:N/A Molecular Formula:
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