Description

Phenelzine Sulfate CAS NO 156-51-4 is a monoamine oxidase inhibitor (MAOI) in the form of a sulfate salt. This compound is of significant commercial and research interest primarily for its role as a key active pharmaceutical ingredient (API) in antidepressant formulations. It is essential for pharmaceutical manufacturers, research institutions, and chemical distributors serving the life sciences sector.

Application

• Pharmaceutical Active Ingredient (API): Primary use as the active component in antidepressant and anxiolytic medications.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in pharmaceutical laboratories.
• Biochemical Research: Used in neuroscience and psychiatric research to study monoamine oxidase inhibition and its effects on neurotransmitter systems.
• Intermediary Synthesis: Acts as a critical intermediate in the synthesis of more complex pharmaceutical compounds and research chemicals.
• Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of finished dosage forms.

Basic Information

Product Name	Phenelzine Sulfate
CAS No.	156-51-4
Molecular Formula	C8H14N2·H2SO4
Molecular Weight	234.28 g/mol
Synonyms	Phenelzine Sulphate; Phenelzine Hydrogen Sulfate; Nardil (brand name); Phenelzine; (2-Phenylethyl)hydrazine Sulfate; 1-Phenethylhydrazine Sulfate; β-Phenylethylhydrazine Sulfate; Fenelzina Sulfate
EINECS	205-857-5

Quality Control

Our Phenelzine Sulfate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets stringent specifications for identity, purity, and potency, aligning with ICH guidelines. A Certificate of Analysis (COA) detailing results for assay, related substances, residual solvents, and other critical parameters is provided with every 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). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	98.0% - 102.0% (on anhydrous basis)
Water Content (KF)	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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