Description

Cyamemazine Maleate is a high-purity pharmaceutical active ingredient, a phenothiazine derivative with antipsychotic and anxiolytic properties. It is a critical intermediate in the synthesis of finished dosage forms for the treatment of various psychiatric and neurological conditions. This compound is essential for pharmaceutical manufacturers and advanced research institutions developing neuropsychiatric therapeutics. Consistent quality and reliable supply are paramount for ensuring the efficacy and safety of the final medicinal products.

Application

• Pharmaceutical Active Ingredient (API): Primary use in the formulation of antipsychotic and sedative medications.
• Neurological Research: Used as a reference standard and active compound in preclinical studies investigating neurotransmitter systems and receptor binding.
• Finished Dosage Form Manufacturing: A key raw material for the production of tablets, capsules, and other oral solid dosage forms.
• Analytical Standard: Serves as a high-purity certified reference material (CRM) for quality control and method validation in analytical laboratories.
• Chemical Synthesis: Acts as a crucial intermediate for the synthesis of more complex pharmaceutical molecules and derivatives.

Basic Information

Product Name	Cyamemazine Maleate
CAS No.	25332-99-4
Molecular Formula	C19H22N2S • C4H4O4
Molecular Weight	442.53 g/mol
Synonyms	Cyamemazine Maleate Salt; Cyamepromazine Maleate; N-(2-Cyanoethyl)promazine Maleate; 2-Cyanoethylpromazine Maleate; 10-[3-(Dimethylamino)propyl]-2-(cyanomethyl)phenothiazine Maleate; Tercian (brand name); 25332-99-4
EINECS	Contact for details

Quality Control

Our Cyamemazine Maleate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing to ensure it meets stringent specifications for identity, purity, and potency, aligning with ICH guidelines. A detailed Certificate of Analysis (COA) providing results for assay, related substances, residual solvents, and other critical parameters is supplied with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Assay (HPLC)	98.0% - 102.0% (on anhydrous basis)
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.