Active Pharmaceutical Ingredient

Methimazole

Also known as: Tapazole, Thiamazole

CAS: 60-56-0 Antithyroid Agent IP / BP / USP GMP Certified Aurangabad, Maharashtra, India
Methimazole API — Mediocon Inc
Methimazole — Pharmaceutical Grade API

Product Overview

CAS No: 60-56-0  |  MF: C₄H₆N₂S  |  MW: 114.17 g/mol

Methimazole is a pharmaceutical-grade active ingredient classified as a Antithyroid Agent. Mediocon Inc supplies high-purity Methimazole API conforming to IP / BP / USP specifications, manufactured in our GMP-certified facility in Aurangabad, Maharashtra, India.

Key Features

  • Antithyroid agent inhibiting thyroid hormone synthesis
  • First-line treatment for hyperthyroidism
  • IP/BP/USP compliant
  • Full CoA and MSDS documentation

Applications

  • Hyperthyroidism (Graves' disease)
  • Preparation for thyroid surgery / radioiodine therapy
  • Thyroid storm management
  • Oral tablet formulations

Why Choose Mediocon

  • ISO 9001:2015 & GMP certified manufacturing
  • Consistent batch-to-batch quality with full CoA
  • Export-ready documentation: COO, MSDS, DMF
  • Flexible MOQ for both R&D and commercial scale
  • Dedicated QA support for regulatory filings

Product Specifications

Product NameMethimazole
Also Known AsTapazole, Thiamazole
CAS Number60-56-0
Molecular FormulaC₄H₆N₂S
Molecular Weight114.17 g/mol
CategoryAntithyroid Agent
AppearanceWhite to off-white crystalline powder
SolubilityFreely soluble in water; sparingly soluble in ethanol
GradeIP / BP / USP

Analytical Specifications

ParameterSpecification
Assay≥98.0% (as per pharmacopoeia)
Loss on DryingNMT 0.5%
Heavy MetalsNMT 20 ppm
Residue on IgnitionNMT 0.1%
Microbial LimitsComplies with pharmacopoeia
IdentificationIR, HPLC Compliant
Packing25 kg HDPE drums / as per requirement
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