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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:100090 bis(hydroxynaphthenic) acid Product Name:bis(hydroxynaphthenic) acid CAS No.:100090-N/A Molecular Formula:
Product Number:130700 Voriconazole impurity A Product Name:Voriconazole impurity A CAS No.:# Molecular Formula:
Product Number:130701 Voriconazole impurity B Product Name:Voriconazole impurity B CAS No.:# Molecular Formula:
Product Number:112057 Crowbitol Product Name:Crowbitol CAS No.:14907-98-3 Molecular Formula:
Product Number:112058 acanthopanaxine Product Name:acanthopanaxine CAS No.:487-58-1 Molecular Formula:
Product Number:100097 Anisic acid Product Name:Anisic acid CAS No.:100097-N/A Molecular Formula:
Product Number:100094 ▲ acetanilide Product Name:▲ acetanilide CAS No.:103-84-4 Molecular Formula:
Product Number:100078 bile acids Product Name:bile acids CAS No.:100078-N/A Molecular Formula:
Product Number:171239 Naloxone hydrochloride Product Name:Naloxone hydrochloride CAS No.:357-08-4 Molecular Formula:
Product Number:171237 Pseudoephedrine hydrochloride Product Name:Pseudoephedrine hydrochloride CAS No.:# Molecular Formula:
Product Number:100088 Clomid Product Name:Clomid CAS No.:483-63-6 Molecular Formula:
Product Number:112069 (25R)-Spirostan-4-ene-3,12-dione (Tribulus terrestris sapogenins) Product Name:(25R)-Spirostan-4-ene-3,12-dione (Tribulus terrestris sapogenins) CAS No.:6875-60-1 Molecular Formula:
Product Number:100086 Nitrofuran acrylic acid Product Name:Nitrofuran acrylic acid CAS No.:100086-N/A Molecular Formula:
Product Number:100084 Metoprolol tartrate Product Name:Metoprolol tartrate CAS No.:56392-17-7 Molecular Formula:
Product Number:171215 ■Caffeine Product Name:■Caffeine CAS No.:58-08-2 Molecular Formula:
Product Number:171264 Pentafluridol Product Name:Pentafluridol CAS No.:26864-56-2 Molecular Formula:
Product Number:100049 ■Scopolamine hydrobromide Product Name:■Scopolamine hydrobromide CAS No.:114-49-8 Molecular Formula:
Product Number:101379 Ramipril Impurity IV (Ramipril Diketopiperazine) Product Name:Ramipril Impurity IV (Ramipril Diketopiperazine) CAS No.:101379-N/A Molecular Formula:
Product Number:100048 ethinyl estradiol Product Name:ethinyl estradiol CAS No.:100048-N/A Molecular Formula:
Product Number:112021 Psoralen isoflavones Product Name:Psoralen isoflavones CAS No.:# Molecular Formula:
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