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Reference materials from the National Institutes for Food and Drug Control (NIFDC)

1. Definition and Significance of NIFDC Reference Standards

NIFDC reference standards are specialized materials prepared, characterized, and supplied by the National Institutes for Food and Drug Control (NIFDC) under China’s State Drug Administration. As a WHO-designated Collaborating Centre for Drug Quality Assurance, NIFDC’s standards are integral to national drug regulations. They serve as authoritative benchmarks for:

  • Drug identification: Distinguishing genuine vs. counterfeit products.
  • Purity and content analysis: Quantifying active ingredients and impurities.
  • Instrument calibration: Validating HPLC, GC-MS, and spectrophotometer performance.

These standards align with both ChP and international pharmacopeias (USP, EP), bridging global quality requirements.


2. Categories and Sources

NIFDC reference materials cover three core domains:

  • Chemical drugs: e.g., impurity standards, residual solvent kits.
  • Biopharmaceuticals: e.g., peptide/protein reference materials.
  • Traditional Chinese Medicine (TCM): e.g., herbal authentication markers.

Sources:

  • Domestic development: Rigorously validated in NIFDC’s ISO 17025-accredited labs.
  • International collaboration: Cross-certified with USP, EP, and WHO standards.

3. Preparation and Characterization

NIFDC’s production follows a strict protocol:

  1. Method design: Based on ChP, WHO guidelines, and ICH Q4B.
  2. Material synthesis: High-purity raw materials processed via advanced chromatography (e.g., preparative HPLC).
  3. Characterization: Multi-laboratory validation using NMR, mass spectrometry, and thermal analysis.
  4. Stability testing: Accelerated aging studies to ensure 5-10-year shelf life.

Key metrics: Purity (≥98%), uncertainty (<0.5%), and traceability (ISO 17034).


4. Applications and Best Practices

Applications:

  • Pharmaceutical R&D: Impurity profiling for ANDA/NDA submissions.
  • GMP compliance: Batch release testing for APIs and finished products.
  • Regulatory audits: Supporting NMPA, FDA, and EMA inspections.

Usage guidelines:

  • Storage: -20°C for biologics; room temperature for chemical standards.
  • Calibration: Revalidate every 6 months or per method lifecycle.
  • Documentation: Lot-specific COA (Certificate of Analysis) available online.

Supplementary Information
For technical queries or custom reference standard requests, contact Hengyuan Fine Chemical.


Henyuan Fine Chemical is a leading Chinese supplier specializing in pharmaceutical and biological testing fields. As an authorized distributor of the PCL (Purechemland) product series, the company operates directly from manufacturers, serving pharmaceutical enterprises, research institutions, and third-party testing platforms.

Hengyuan Fine Chemical provides 3,000-4,000 types of NIFDC (National Institutes for Food and Drug Control) reference standards, covering chemical drugs, biologics, traditional Chinese medicines, and medical devices. All products are directly supplied or authorized by the China National Institutes for Food and Drug Control (NIFDC), strictly adhering to the Chinese Pharmacopoeia and international testing standards (e.g., USP, EP). The PCL series implements a full-process quality control system spanning cold-chain storage, precision packaging, and quality validation, ensuring the stability and traceability of reference materials. Additionally, the company offers customized solutions and technical consulting services to enhance clients' drug R&D efficiency, production compliance, and testing credibility, solidifying its position as a trusted industry benchmark for standardized services.


Product Number Image Product Name CAS No. Molecular Formula
Product Number:140749 Ornithine Aspartate Product Name:Ornithine Aspartate CAS No.:# Molecular Formula:
Product Number:140747 Mentamide Product Name:Mentamide CAS No.:# Molecular Formula:
Product Number:140746 oxidized glutathione Product Name:oxidized glutathione CAS No.:# Molecular Formula:
Product Number:510139 Tamoxifen citrate Product Name:Tamoxifen citrate CAS No.:# Molecular Formula:
Product Number:101179 Calcium Lactate Product Name:Calcium Lactate CAS No.:101179-N/A Molecular Formula:
Product Number:510137 Internal standard for nuclear magnetic resonance quantification (Ⅰ) Product Name:Internal standard for nuclear magnetic resonance quantification (Ⅰ) CAS No.:# Molecular Formula:
Product Number:510145 Trazodone hydrochloride impurity A Product Name:Trazodone hydrochloride impurity A CAS No.:# Molecular Formula:
Product Number:510146 Trazodone hydrochloride impurity B Product Name:Trazodone hydrochloride impurity B CAS No.:# Molecular Formula:
Product Number:101187 Phenytoin Product Name:Phenytoin CAS No.:101187-N/A Molecular Formula:
Product Number:510143 Tomoxetine hydrochloride Product Name:Tomoxetine hydrochloride CAS No.:# Molecular Formula:
Product Number:101186 Dobutamine hydrochloride impurity Product Name:Dobutamine hydrochloride impurity CAS No.:101186-N/A Molecular Formula:
Product Number:510144 Duloxetine hydrochloride Product Name:Duloxetine hydrochloride CAS No.:136434-34-9 Molecular Formula:
Product Number:101185 Dobutamine hydrochloride Product Name:Dobutamine hydrochloride CAS No.:101185-N/A Molecular Formula:
Product Number:101184 Nicardipine hydrochloride impurity (2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid-2-(N-benzyl-N-methyl)ethyl methyl ester hydrochloride) Product Name:Nicardipine hydrochloride impurity (2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid-2-(N-benzyl-N-methyl)ethyl methyl ester hydrochloride) CAS No.:101184-N/A Molecular Formula:
Product Number:510142 Butylhydroxytoluene Product Name:Butylhydroxytoluene CAS No.:128-37-0 Molecular Formula:
Product Number:101182 Decafluorophenazone Product Name:Decafluorophenazone CAS No.:101182-N/A Molecular Formula:
Product Number:101181 Lomustine Product Name:Lomustine CAS No.:13010-47-4 Molecular Formula:
Product Number:140738 Hippuric acid Product Name:Hippuric acid CAS No.:495-69-2 Molecular Formula:
Product Number:190199 Polystyrene 1000 Product Name:Polystyrene 1000 CAS No.:# Molecular Formula:
Product Number:140737 5'-hydroxyindoleacetic acid Product Name:5'-hydroxyindoleacetic acid CAS No.:# Molecular Formula:
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