Procarbazine is a synthetic antineoplastic active pharmaceutical ingredient (API) belonging to the methylhydrazine derivative class of anticancer agents. It is primarily used as part of combination chemotherapy regimens for the treatment of Hodgkin lymphoma and certain other malignant diseases. Procarbazine is identified by CAS Number 671-16-9, with the molecular formula C12H19N3O and molecular weight 221.30 g/mol.
Procarbazine is an orally active cytotoxic pharmaceutical compound used in oncology. It is commonly administered as procarbazine hydrochloride in finished pharmaceutical products. The API is important for pharmaceutical formulations used in combination chemotherapy, particularly in treatment protocols for Hodgkin lymphoma.
Procarbazine is generally described as a crystalline compound and should be handled under appropriate pharmaceutical safety and occupational-control procedures because of its cytotoxic nature.
Procarbazine has the following established chemical characteristics:
Procarbazine hydrochloride is a distinct salt form and should not be confused with the free-base Procarbazine API. The hydrochloride salt has a different molecular formula, molecular weight, and CAS number.
Procarbazine is used as an antineoplastic agent and is generally incorporated into combination chemotherapy regimens. Its best-established pharmaceutical application is in the treatment of Hodgkin lymphoma, where it is commonly used as part of combination regimens.
Pharmaceutical applications include:
The clinical use of Procarbazine should follow the approved product labeling, treatment protocols, and applicable regulatory requirements.
Procarbazine is a cytotoxic antineoplastic compound. Its mechanism is associated with metabolic activation and subsequent effects on DNA and other cellular components, resulting in inhibition of nucleic-acid and protein synthesis and impairment of cancer-cell proliferation.
Because Procarbazine is cytotoxic, its manufacture, handling, testing, and formulation require appropriate containment, occupational-safety controls, and pharmaceutical quality systems.
Quality control for Procarbazine API focuses on identity, assay, purity, related substances, residual solvents, moisture, and other applicable quality attributes.
Analytical testing may include:
The final acceptance criteria should be established according to the applicable pharmacopoeial monograph, registered product specification, and customer requirements. Numerical limits should not be assigned where no universal authoritative value applies to the specific API form.
Procarbazine API manufacturing requires controlled chemical processing, appropriate raw-material qualification, impurity control, validated analytical testing, and specialized handling procedures appropriate for a cytotoxic pharmaceutical compound.
A quality-focused Procarbazine manufacturing process may include:
Procarbazine API can be manufactured and tested according to applicable pharmaceutical specifications and regulatory requirements.
Procarbazine should be packed in suitable, tightly closed pharmaceutical containers that provide protection against moisture, contamination, and unsuitable environmental exposure. Because Procarbazine is a cytotoxic compound, packaging and handling procedures should also address occupational exposure and containment requirements.
Storage conditions should follow the applicable approved specification and stability data. Containers should remain properly closed and stored under controlled environmental conditions.
Documentation for Procarbazine API may include:
A dependable Procarbazine API manufacturing source should maintain stringent process controls, impurity monitoring, validated analytical methods, appropriate cytotoxic-material handling procedures, and complete batch documentation.
Procarbazine is an important antineoplastic API used in oncology pharmaceutical development and manufacturing. Consistent production, analytical characterization, controlled handling, and appropriate packaging help support pharmaceutical manufacturers requiring reliable Procarbazine API.
| Parameter | Specification |
|---|---|
| Appearance | white to off-white crystalline powder |
| Identification | IR & HPLC compliant |
| Assay (HPLC) | 98.0% – 102.0% |
| Loss on Drying | NMT 0.5% |
| Residue on Ignition | NMT 0.2% |
| Individual Impurity | NMT 0.5% |
| Total Impurities | NMT 1.0% |
| Water Content | NMT 0.5% |