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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:111694 Methyl heptacarbonate Product Name:Methyl heptacarbonate CAS No.:111694-N/A Molecular Formula:
Product Number:111695 Sophora japonica glycoside Product Name:Sophora japonica glycoside CAS No.:152-95-4 Molecular Formula:
Product Number:510077 Moxifloxacin hydrochloride impurity E Product Name:Moxifloxacin hydrochloride impurity E CAS No.:721970-36-1 Molecular Formula:
Product Number:111696 liensinine perchlorate Product Name:liensinine perchlorate CAS No.:111696-N/A Molecular Formula:
Product Number:111697 Duck foot phylline Product Name:Duck foot phylline CAS No.:111697-N/A Molecular Formula:
Product Number:510075 Moxifloxacin hydrochloride impurity b Product Name:Moxifloxacin hydrochloride impurity b CAS No.:# Molecular Formula:
Product Number:510076 Moxifloxacin hydrochloride impurity c Product Name:Moxifloxacin hydrochloride impurity c CAS No.:# Molecular Formula:
Product Number:111699 Alpinia galangin Product Name:Alpinia galangin CAS No.:548-83-4 Molecular Formula:
Product Number:510073 Candesartan cilexetil impurity I Product Name:Candesartan cilexetil impurity I CAS No.:# Molecular Formula:
Product Number:510074 Moxifloxacin hydrochloride impurity a Product Name:Moxifloxacin hydrochloride impurity a CAS No.:# Molecular Formula:
Product Number:101436 Silotazole impurity I Product Name:Silotazole impurity I CAS No.:101436-N/A Molecular Formula:
Product Number:100105 Amino caproic acid Product Name:Amino caproic acid CAS No.:100105-N/A Molecular Formula:
Product Number:101434 Isomers of tenofovir dipivoxil fumarate Product Name:Isomers of tenofovir dipivoxil fumarate CAS No.:1432630-26-6 Molecular Formula:
Product Number:100103 Salicylic acid tablets Product Name:Salicylic acid tablets CAS No.:69-72-7 Molecular Formula:
Product Number:510039 Praxole impurity II Product Name:Praxole impurity II CAS No.:# Molecular Formula:
Product Number:101432 Impurity of tenofovir dipivoxil fumarate [Mono-POC PMPA (monoester)] Product Name:Impurity of tenofovir dipivoxil fumarate [Mono-POC PMPA (monoester)] CAS No.:211364-69-1 Molecular Formula:
Product Number:510038 Praxole impurity I Product Name:Praxole impurity I CAS No.:# Molecular Formula:
Product Number:101431 Tinidazole impurity b Product Name:Tinidazole impurity b CAS No.:101431-N/A Molecular Formula:
Product Number:420017 cytosine Product Name:cytosine CAS No.:71-30-7 Molecular Formula:
Product Number:121024 Morning glory Product Name:Morning glory CAS No.:# Molecular Formula:
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