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Active Pharmaceutical Ingredient

Letrozole

Also known as: Femara; CGS 20267

CAS: 112809-51-5 Aromatase Inhibitor / Antineoplastic IP / BP / EP / USP GMP Certified Aurangabad, Maharashtra, India
Letrozole API — Mediocon Inc
Letrozole — Pharmaceutical Grade API

Product Overview

CAS No: 112809-51-5  |  MF: C₁₇H₁₁N₅  |  MW: 285.30 g/mol

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

Key Features

  • Selective non-steroidal aromatase inhibitor
  • IP/BP/EP/USP compliant
  • Full CoA and MSDS documentation
  • GMP certified manufacturing

Applications

  • Hormone receptor-positive breast cancer
  • Ovulation induction (off-label)
  • Postmenopausal breast cancer

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 NameLetrozole
Also Known AsFemara; CGS 20267
CAS Number112809-51-5
Chemical Name4,4'-[(1H-1,2,4-Triazol-1-yl)methylene]dibenzonitrile
Molecular FormulaC₁₇H₁₁N₅
Molecular Weight285.30 g/mol
CategoryAromatase Inhibitor / Antineoplastic
AppearanceWhite to yellowish crystalline powder
SolubilitySlightly soluble in water, freely soluble in acetone
GradeIP / BP / EP / USP

Analytical Specifications

ParameterSpecification
AssayNLT 98.0%
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

Request a Quote

Minimum Order: 1 kg (sample available)
Export to 40+ countries worldwide
Full documentation: CoA, MSDS, COO
Lead Time: 2–4 weeks (standard)
WhatsApp: +91 8055776636
sales@mediocon.com
 Get Bulk Quote  Request CoA / MSDS

Quick Reference

CAS No112809-51-5
FormulaC₁₇H₁₁N₅
MW285.30 g/mol
GradeIP / BP / EP / USP
CategoryAromatase Inhibitor / Antineoplastic

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