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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-#-Ke163-100mg Aminobutanetriol ketoglobate impurity J Product Name:Aminobutanetriol ketoglobate impurity J CAS No.:108061-03-6 Molecular Formula:
Product Number:PCL-#-Ke162-100mg Aminobutanetriol ketoglobate impurity I Product Name:Aminobutanetriol ketoglobate impurity I CAS No.:113502-55-9 Molecular Formula:
Product Number:PCL-#-Ke161-100mg Aminobutanetriol ketoglobate impurity H Product Name:Aminobutanetriol ketoglobate impurity H CAS No.:80965-09-9 Molecular Formula:
Product Number:PCL-#-Ke160-100mg Aminobutanetriol ketoglobate impurity G Product Name:Aminobutanetriol ketoglobate impurity G CAS No.:1391051-90-3 Molecular Formula:
Product Number:PCL-#-Ke159-100mg Aminobutanetriol ketoglobate impurity F Product Name:Aminobutanetriol ketoglobate impurity F CAS No.:1391052-68-8 Molecular Formula:
Product Number:PCL-#-Ke157-100mg Aminobutanetriol ketoglobate impurity D Product Name:Aminobutanetriol ketoglobate impurity D CAS No.:1391053-45-4 Molecular Formula:
Product Number:PCL-#-Ke156-100mg Aminobutanetriol ketoglobate impurity C Product Name:Aminobutanetriol ketoglobate impurity C CAS No.:1026936-07-1 Molecular Formula:
Product Number:PCL-#-Ke155-100mg Aminobutanetriol ketoglobate impurity B Product Name:Aminobutanetriol ketoglobate impurity B CAS No.:113502-52-6 Molecular Formula:
Product Number:PCL-#-Ke154-100mg Aminobutanetriol ketoglobate impurity A Product Name:Aminobutanetriol ketoglobate impurity A CAS No.:154476-25-2 Molecular Formula:
Product Number:PCL-#-Hy004-50mg 4-O-Methyldopamine hydrochloride Product Name:4-O-Methyldopamine hydrochloride CAS No.:645-33-0 Molecular Formula:
Product Number:PCL-#-Me008-50mg 3-O-Methyldopamine hydrochloride Product Name:3-O-Methyldopamine hydrochloride CAS No.:1477-68-5 Molecular Formula:
Product Number:PCL-#-Et053-50mg 4-Ethylbenzophosphoric diphenol Product Name:4-Ethylbenzophosphoric diphenol CAS No.:1124-39-6 Molecular Formula:
Product Number:510028 Ambroxol hydrochloride impurity D Product Name:Ambroxol hydrochloride impurity D CAS No.:# Molecular Formula:
Product Number:PCL-#-Am025-50mg Ambroxol impurity B Product Name:Ambroxol impurity B CAS No.:18683-95-9 Molecular Formula:
Product Number:PCL-#-Ti108-100mg Tilmicosin Product Name:Tilmicosin CAS No.:108050-54-0 Molecular Formula:
Product Number:PCL-#-Op111-100mg L-O-phosphoserine Product Name:L-O-phosphoserine CAS No.:407-41-0 Molecular Formula:
Product Number:PCL-#-Be025-50mg Budesonide 21-butyrate Product Name:Budesonide 21-butyrate CAS No.:2408495-96-3 Molecular Formula:
Product Number:PCL-#-Be022-50mg Beclomethasone propionate impurity EP-ZF Product Name:Beclomethasone propionate impurity EP-ZF CAS No.:887130-69-0 Molecular Formula:
Product Number:PCL-#-Be023-50mg Beclomethasone propionate impurity EP-ZM Product Name:Beclomethasone propionate impurity EP-ZM CAS No.:# Molecular Formula:
Product Number:PCL-#-Chp0208-50mg Ciprofloxacin Impurity III (Ciprofloxacin Impurity C) 7-[(2-aminoethyl)amino]-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid Product Name:Ciprofloxacin Impurity III (Ciprofloxacin Impurity C) 7-[(2-aminoethyl)amino]-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid CAS No.:528851-31-2 Molecular Formula:
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