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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:101375 Perindopril tert-butylamine and (±)-1''-differential-perindopril mixed controls Product Name:Perindopril tert-butylamine and (±)-1''-differential-perindopril mixed controls CAS No.:101375-N/A Molecular Formula:
Product Number:101374 Perindopril impurity I [(2S,3aS,7aS)-octahydro-1H-indole-2-carboxylic acid] Product Name:Perindopril impurity I [(2S,3aS,7aS)-octahydro-1H-indole-2-carboxylic acid] CAS No.:101374-N/A Molecular Formula:
Product Number:101373 Glimepiride impurity V (cis-isomer) 1-[4-[2-(3-ethyl-4-methyl-2-oxo-3-pyrroline-1-carboxamido)ethyl]benzenesulfonyl]-3-(cis-4-methylcyclohexyl)-urea Product Name:Glimepiride impurity V (cis-isomer) 1-[4-[2-(3-ethyl-4-methyl-2-oxo-3-pyrroline-1-carboxamido)ethyl]benzenesulfonyl]-3-(cis-4-methylcyclohexyl)-urea CAS No.:101373-N/A Molecular Formula:
Product Number:171280 Aripiprazole impurity I (7-[4-[4-(2,3-dichlorophenyl)-1-oxopiperazinyl]butoxy]-3,4-dihydroquinolone) Product Name:Aripiprazole impurity I (7-[4-[4-(2,3-dichlorophenyl)-1-oxopiperazinyl]butoxy]-3,4-dihydroquinolone) CAS No.:# Molecular Formula:
Product Number:112027 Carboxycantharidin tripotassium salt (provisional) Product Name:Carboxycantharidin tripotassium salt (provisional) CAS No.:# Molecular Formula:
Product Number:101372 Glimepiride impurity IV 1-[[3-[2-(3-ethyl-4-methyl-2-oxo-3-pyrroline-1-carboxamido)-ethyl]phenyl]sulfonyl]-3-(trans-4-methylcyclohexyl)-urea Product Name:Glimepiride impurity IV 1-[[3-[2-(3-ethyl-4-methyl-2-oxo-3-pyrroline-1-carboxamido)-ethyl]phenyl]sulfonyl]-3-(trans-4-methylcyclohexyl)-urea CAS No.:101372-N/A Molecular Formula:
Product Number:100040 ■Atropine sulfate Product Name:■Atropine sulfate CAS No.:5908-99-6 Molecular Formula:
Product Number:101371 Glimepiride impurity II Methyl 4-[2-[3-ethyl-4-methyl-2-oxo-3-pyrroline-1-carboxamido]ethyl]benzenesulfonamido formate Product Name:Glimepiride impurity II Methyl 4-[2-[3-ethyl-4-methyl-2-oxo-3-pyrroline-1-carboxamido]ethyl]benzenesulfonamido formate CAS No.:101371-N/A Molecular Formula:
Product Number:101370 Trimetazidine hydrochloride impurity (piperazine hexahydrate) Product Name:Trimetazidine hydrochloride impurity (piperazine hexahydrate) CAS No.:101370-N/A Molecular Formula:
Product Number:171241 ephedrine hydrochloride Product Name:ephedrine hydrochloride CAS No.:# Molecular Formula:
Product Number:112040 Donkey-derived peptide A1 Product Name:Donkey-derived peptide A1 CAS No.:# Molecular Formula:
Product Number:112041 Donkey-derived peptide A2 Product Name:Donkey-derived peptide A2 CAS No.:# Molecular Formula:
Product Number:100069 doxepin hydrochloride Product Name:doxepin hydrochloride CAS No.:100069-N/A Molecular Formula:
Product Number:101399 2-Chloro-N,N-diethylethylamine hydrochloride (amiodarone impurity I hydrochloride) Product Name:2-Chloro-N,N-diethylethylamine hydrochloride (amiodarone impurity I hydrochloride) CAS No.:101399-N/A Molecular Formula:
Product Number:100068 Doxapram hydrochloride Product Name:Doxapram hydrochloride CAS No.:100068-N/A Molecular Formula:
Product Number:171240 (-)-4,5α-Epoxy-3,14-dihydroxymorphinan-6-one (naloxone hydrochloride impurity) Product Name:(-)-4,5α-Epoxy-3,14-dihydroxymorphinan-6-one (naloxone hydrochloride impurity) CAS No.:33522-95-1 Molecular Formula:
Product Number:101398 p-Chloroaniline Product Name:p-Chloroaniline CAS No.:106-47-8 Molecular Formula:
Product Number:100067 Benzhexol hydrochloride Product Name:Benzhexol hydrochloride CAS No.:52-49-3 Molecular Formula:
Product Number:171249 Naltrexone hydrochloride Product Name:Naltrexone hydrochloride CAS No.:16676-29-2 Molecular Formula:
Product Number:171246 Lofexidine hydrochloride Product Name:Lofexidine hydrochloride CAS No.:21498-08-8 Molecular Formula:
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