Products

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	Product Name	CAS No.	Molecular Formula
Product Number:	Product Name:Doxycycline hyclate	CAS No.:24390-14-5	Molecular Formula:
Product Number:	Product Name:Oxytetracycline hydrochloride	CAS No.:2058-46-0	Molecular Formula:
Product Number:	Product Name:Chlorotetracycline hydrochloride	CAS No.:64-72-2	Molecular Formula:
Product Number:	Product Name:Dapsone	CAS No.:80-08-0	Molecular Formula:
Product Number:	Product Name:Benzylpenicilline‑D7 N‑ethylpiperidinium salt	CAS No.:1217445-37-8	Molecular Formula:
Product Number:	Product Name:Cefapirin	CAS No.:21593-23-7	Molecular Formula:
Product Number:	Product Name:Penicilline G potassium salt	CAS No.:113-98-4	Molecular Formula:
Product Number:	Product Name:Penicilline V potassium	CAS No.:132-98-9	Molecular Formula:
Product Number:	Product Name:Nafcillin sodium salt monohydrate	CAS No.:7177-50-6	Molecular Formula:
Product Number:	Product Name:Cloxacillin Sodium Salt Monohydrate	CAS No.:7081-44-9	Molecular Formula:
Product Number:	Product Name:Dicloxacillin sodium salt monohydrate	CAS No.:13412-64-1	Molecular Formula:
Product Number:	Product Name:Amoxicillin trihydrate	CAS No.:61336-70-7	Molecular Formula:
Product Number:	Product Name:Ampicillin trihydrate	CAS No.:7177-48-2	Molecular Formula:
Product Number:	Product Name:Florfenicol	CAS No.:73231-34-2	Molecular Formula:
Product Number:	Product Name:Florfenicol amine	CAS No.:76639-93-5	Molecular Formula:
Product Number:	Product Name:Thiamphenicol	CAS No.:15318-45-3	Molecular Formula:
Product Number:	Product Name:Sulfathiazole-[13C6]	CAS No.:1196157-72-8	Molecular Formula:
Product Number:	Product Name:Sulfathiazole-13C6	CAS No.:1196157-72-8	Molecular Formula:
Product Number:	Product Name:Sulfamerazine	CAS No.:127-79-7	Molecular Formula:
Product Number:	Product Name:Melamine‑13C3	CAS No.:1173022-88-2	Molecular Formula: