Mechlorethamine, also known as nitrogen mustard, is a synthetic alkylating antineoplastic agent belonging to the nitrogen mustard class of cytotoxic compounds. It produces its pharmacological effect by reacting with DNA and forming covalent bonds that interfere with DNA replication and cellular division.
Mechlorethamine has been used in oncology for several decades and remains an important pharmaceutical compound in selected cancer treatment applications. It has also been formulated as mechlorethamine hydrochloride for pharmaceutical use.
Mechlorethamine is a small-molecule nitrogen mustard with the molecular formula C5H11Cl2N and a molecular weight of approximately 156.05 g/mol. Its CAS Number is 51-75-2.
Mechlorethamine is highly reactive and is generally handled in pharmaceutical manufacturing under controlled conditions appropriate for cytotoxic substances.
Mechlorethamine acts as a DNA-alkylating agent. Its reactive chloroethyl groups form covalent bonds with nucleophilic sites within DNA.
This can result in DNA cross-linking, strand damage and inhibition of DNA replication and transcription, ultimately interfering with rapidly dividing cells and producing cytotoxic effects.
Mechlorethamine has been used in the treatment of certain hematologic malignancies, including lymphomas. Topical mechlorethamine formulations have also been developed for specific cutaneous lymphoma indications.
The precise approved indication depends on the formulation and regulatory jurisdiction.
Mechlorethamine API requires stringent quality control because of its chemical reactivity and cytotoxic properties.
Validated analytical procedures may be used for identification, assay, related substances, degradation products, residual solvents and other applicable quality attributes. Chromatographic and spectroscopic techniques can be used for analytical characterization.
Final acceptance criteria should be based on the applicable manufacturer's approved drug-substance specification and Certificate of Analysis.
Mechlorethamine should be stored in a tightly closed, appropriately controlled pharmaceutical container, protected from moisture, heat and direct light.
Because mechlorethamine is a reactive cytotoxic substance, handling, storage and transportation should follow appropriate occupational safety and pharmaceutical containment procedures.
Mechlorethamine API may be supplied for qualified pharmaceutical manufacturing, formulation development and analytical research applications, subject to applicable regulatory requirements and cytotoxic-material handling controls.
Mechlorethamine API is available for qualified pharmaceutical development and manufacturing requirements. Customers can request product specifications, Certificate of Analysis, analytical documentation, packaging information and commercial details according to their requirements.
| Parameter | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification | IR & HPLC compliant |
| Assay (HPLC) | 98.0% – 102.0% |
| Loss on Drying | NMT 2.0% |
| Residue on Ignition | NMT 1.0% |
| Individual Impurity | NMT 1.0% |
| Total Impurities | NMT 2.0% |
| Water Content | NMT 2.0% |