China Manufacturing Landscape for Procarbazine HCl (CAS 366-70-1)
Procarbazine Hydrochloride, the alkylating agent essential to MOPP and BEACOPP chemotherapy regimens for Hodgkin lymphoma and primary CNS lymphoma, is manufactured at our production facility in Zhejiang Province. As one of the limited number of global manufacturers for this critical oncology API, our direct manufacturer supply capability provides pharmaceutical companies with an important source for this essential medicine. The specialized nature of Procarbazine HCl manufacturing — requiring handling of hydrazine derivatives and cytotoxic intermediates — limits the global supplier base, making qualified alternative sources strategically valuable.
Our investment in Procarbazine HCl production capability reflects our commitment to supporting the global supply of essential oncology medicines, including those with smaller market volumes that may not attract investment from larger API manufacturers focused exclusively on high-volume products.
Manufacturing Process & Facility
Our Procarbazine HCl synthesis involves a multi-step chemical process starting from 4-methylbenzaldehyde derivatives. Key transformations include hydrazine chemistry to construct the methylhydrazine pharmacophore, followed by hydrochloride salt formation and crystallization. The process requires specialized handling protocols for hydrazine intermediates and the cytotoxic final product.
Facility capabilities:
- Dedicated containment suites for hydrazine chemistry with explosion-proof equipment
- Closed-system reactors with nitrogen blanketing for air-sensitive intermediates
- High-containment areas for cytotoxic final product handling (OEL <1 μg/m³)
- ISO Class 7 cleanroom for final isolation and packaging
- Annual production capacity: 500 kg of Procarbazine HCl API
- Specialized waste treatment for hydrazine-containing waste streams
All operations are conducted under strict safety protocols with continuous environmental monitoring, personal protective equipment requirements, and emergency response procedures specific to hydrazine and cytotoxic compound handling.
Quality Standards & Multi-Pharmacopeial Compliance
Our Procarbazine HCl API meets USP and EP specifications for oral capsule formulation:
| Parameter | Specification | Test Method |
|---|---|---|
| Appearance | White to off-white crystalline powder | Visual |
| Identification | Positive by IR, HPLC, melting point | IR/HPLC/DSC |
| Assay (dried basis) | 98.0–102.0% | HPLC |
| Related Substances (total) | ≤1.0% | HPLC |
| Any Single Impurity | ≤0.15% | HPLC |
| Loss on Drying | ≤1.0% | 60°C, vacuum, 4h |
| Residual Solvents | Meets ICH Q3C | GC-HS |
| Elemental Impurities | Meets ICH Q3D | ICP-MS |
| Residual Hydrazine | ≤1 ppm | GC-MS/HPLC |
| pH (1% solution) | 4.0–6.0 | Potentiometry |
Regulatory Documentation
Our Procarbazine HCl regulatory package supports customer oral oncology product registrations:
- US FDA Drug Master File (Type II) — filed and active
- EU ASMF available for Marketing Authorization Applications
- China NMPA registration for cytotoxic API manufacturing
- Process validation package with three consecutive commercial batches
- ICH Q1A stability data with 36-month long-term results
- Genotoxic impurity assessment per ICH M7 (particularly for hydrazine residues)
- Occupational health and safety documentation
- Nitrosamine risk assessment per current regulatory guidance
Given the essential medicine status of Procarbazine, our regulatory team prioritizes responsiveness to customer and agency queries to support uninterrupted supply.
Packaging & Logistics
Procarbazine HCl packaging meets requirements for cytotoxic and moisture-sensitive compounds:
- Primary: Double polyethylene bags within amber glass or HDPE containers
- Secondary: Cytotoxic-labeled fiber drums (1 kg, 5 kg, 10 kg)
- Desiccant and nitrogen purge for moisture protection
- Storage: 2-8°C, protected from light and moisture
- Shelf life: 24 months under recommended storage conditions
Shipments are handled through cytotoxic-qualified pharmaceutical logistics providers with appropriate dangerous goods certifications. FOB, CIF, and DDP terms available with full documentation support.
Competitive Pricing & Supply Reliability
As a specialized manufacturer with dedicated cytotoxic production capabilities, we offer competitive pricing for Procarbazine HCl:
- Dedicated equipment eliminating costly campaign changeovers
- Optimized synthesis reducing raw material and solvent consumption
- Experienced workforce trained in hydrazine and cytotoxic compound handling
- Strategic raw material procurement with verified backup sources
We support order quantities from 100g for formulation development to multi-hundred kilogram annual contracts. Priority allocation agreements are available for essential medicine supply programs. Contact our oncology API sales team for quotations and technical discussion.