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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:510035 Repaglinide Related substance III ((S)-3-methyl-1-(2-(1-piperidinyl)phenyl)butylamine, N-acetyl-L-glutamate) Product Name:Repaglinide Related substance III ((S)-3-methyl-1-(2-(1-piperidinyl)phenyl)butylamine, N-acetyl-L-glutamate) CAS No.:# Molecular Formula:
Product Number:510036 Repaglinide Related Substance IV (ethyl 2-ethoxy-4-[2-[[(1S)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl]amino]-2-oxoethyl] benzoate) Product Name:Repaglinide Related Substance IV (ethyl 2-ethoxy-4-[2-[[(1S)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl]amino]-2-oxoethyl] benzoate) CAS No.:# Molecular Formula:
Product Number:510033 Repaglinide Related Substance II (4-ethyl-3-ethoxyphenylacetic acid) Product Name:Repaglinide Related Substance II (4-ethyl-3-ethoxyphenylacetic acid) CAS No.:# Molecular Formula:
Product Number:510034 Repaglinide Related Substance I ((4-carboxy-3-ethoxy) phenylacetic acid) Product Name:Repaglinide Related Substance I ((4-carboxy-3-ethoxy) phenylacetic acid) CAS No.:# Molecular Formula:
Product Number:510032 Hydroxyhomo sildenafil citrate Product Name:Hydroxyhomo sildenafil citrate CAS No.:# Molecular Formula:
Product Number:171320 Escitalopram oxalate impurity IV Product Name:Escitalopram oxalate impurity IV CAS No.:1332724-03-4 Molecular Formula:
Product Number:171321 Escitalopram oxalate impurity II Product Name:Escitalopram oxalate impurity II CAS No.:1440961-11-4 Molecular Formula:
Product Number:CMCC(B)52204 Yersinia enterocolitica small intestine 52204 Product Name:Yersinia enterocolitica small intestine 52204 CAS No.:# Molecular Formula:
Product Number:171322 Escitalopram oxalate impurity A Product Name:Escitalopram oxalate impurity A CAS No.:64372-56-1 Molecular Formula:
Product Number:171323 Lacosamide Product Name:Lacosamide CAS No.:N/A Molecular Formula:
Product Number:171324 Lacosamide S-isomer Product Name:Lacosamide S-isomer CAS No.:N/A Molecular Formula:
Product Number:510003 Temptation Red Product Name:Temptation Red CAS No.:25956-17-6 Molecular Formula:
Product Number:510001 haematogenin hydrochloride Product Name:haematogenin hydrochloride CAS No.:# Molecular Formula:
Product Number:510009 Triamcinolone diacetate Product Name:Triamcinolone diacetate CAS No.:# Molecular Formula:
Product Number:510006 Flumethasone Product Name:Flumethasone CAS No.:# Molecular Formula:
Product Number:510007 Beclomethasone Product Name:Beclomethasone CAS No.:# Molecular Formula:
Product Number:510013 Betamethasone acetate Product Name:Betamethasone acetate CAS No.:# Molecular Formula:
Product Number:510014 Fluorometholone acetate Product Name:Fluorometholone acetate CAS No.:# Molecular Formula:
Product Number:510011 Devcoat Product Name:Devcoat CAS No.:# Molecular Formula:
Product Number:510012 Methylprednisolone acetate Product Name:Methylprednisolone acetate CAS No.:# Molecular Formula:
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