Active Pharmaceutical Ingredient

Fulvestrant API Manufacturer & Supplier in India

Also known as: Faslodex (brand)

CAS: 129453-61-8 Estrogen Receptor Antagonist / Antineoplastic IP / BP / EP / USP Bulk Supply Available
Fulvestrant API Manufacturer India | Mediocon Inc
Fulvestrant — Pharmaceutical Grade API

Product Overview

CAS No: 129453-61-8  |  MF: C₃₂H₄₇F₅O₃S  |  MW: 606.77 g/mol

Fulvestrant is a selective estrogen receptor degrader (SERD) used in the treatment of hormone receptor-positive (HR+) metastatic breast cancer in postmenopausal women. It binds to and degrades the estrogen receptor, blocking estrogen-driven tumor growth.

Mediocon Inc supplies Fulvestrant IP/BP/EP/USP as a high-purity oncology active pharmaceutical ingredient for licensed parenteral formulation manufacturers. With extensive GMP quality controls and multi-pharmacopoeial compliance, our Fulvestrant supports global regulatory submissions.

Key Features

  • Selective estrogen receptor degrader (SERD)
  • No partial agonist activity
  • Multi-pharmacopoeial compliance (IP/BP/EP/USP)
  • Compatible with injectable formulations

Applications

  • HR+ metastatic breast cancer formulations
  • Parenteral oncology injectables
  • Endocrine therapy pharmaceutical manufacturing
  • Oncology clinical research supply

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 NameFulvestrant
CAS Number129453-61-8
Molecular FormulaC₃₂H₄₇F₅O₃S
Molecular Weight606.77 g/mol
CategoryEstrogen Receptor Antagonist / Antineoplastic
AppearanceWhite to Off-White Powder
GradeIP / BP / EP / USP
Packaging25 kg HDPE Drums / Aluminium Bags
StorageCool, Dry & Ventilated Place

Analytical Specifications

ParameterSpecification
AssayNLT 98.0% & NMT 102.0%
Water ContentNMT 1.0%
Heavy MetalsNMT 10 ppm
Residual SolventsComplies ICH Q3C
Microbial LimitsComplies
IdentificationHPLC & IR Compliant
Specific Rotation+23° to +27°
Packing25 kg HDPE drums / as per requirement

Sourcing, Regulatory & Export Information

Mediocon Inc is a GMP-certified API manufacturer and bulk pharmaceutical ingredient supplier based in Aurangabad, Maharashtra, India. We specialise in supplying Fulvestrant (CAS 129453-61-8) and over 1,000 other Active Pharmaceutical Ingredients, excipients, herbal extracts, and nutraceutical ingredients to pharmaceutical manufacturers worldwide.

Our Fulvestrant is manufactured under strict quality management protocols compliant with WHO-GMP, ISO 9001:2015, and major pharmacopoeial standards (IP, BP, USP, EP). Every batch undergoes full analytical testing — identity (IR/HPLC), assay, related substances, residual solvents (ICH Q3C), heavy metals, and microbial limits — before release with a Certificate of Analysis.

Export Markets

  • USA — FDA-registered facility; DMF support available for ANDA/NDA filings
  • Europe — EMA-compliant documentation; CEP/EDMF support on request
  • Africa & Middle East — WHO-GMP certified; competitive pricing for emerging markets
  • Southeast Asia — established logistics network; temperature-controlled shipments
  • India domestic — schedule H/X compliance; all state licensing documentation provided

Quality & Compliance

  • ISO 9001:2015 certified quality management system
  • GMP-certified manufacturing facility, Aurangabad, Maharashtra
  • Full batch traceability from raw material to finished API
  • Stability data available (ICH Q1A guidelines) for regulatory submissions
  • Dedicated QA team for customer audits and regulatory queries

Frequently Asked Questions — Fulvestrant API

What is the minimum order quantity for Fulvestrant API?
Mediocon Inc supplies Fulvestrant with a minimum order quantity of 1 kg (sample packs available for R&D). We accommodate both small R&D quantities and large commercial-scale orders. Contact our sales team at akshay@mediocon.com or +91 9309999757 for a tailored quote.
What pharmacopoeial grades of Fulvestrant does Mediocon supply?
We supply Fulvestrant conforming to IP / BP / EP / USP pharmacopoeial standards. Each batch is tested against full pharmacopoeial specifications and released with a Certificate of Analysis. Custom specifications can be accommodated for regulated markets.
What documentation is provided with Fulvestrant API?
Every shipment of Fulvestrant comes with: Certificate of Analysis (CoA), MSDS/SDS, Certificate of Origin (COO), and Drug Master File (DMF) support on request. We also provide GMP certification, ISO 9001:2015 compliance documentation, and full regulatory support for filings in USA (FDA), Europe (EMA), and other markets.
What is the lead time and shipping for Fulvestrant bulk orders?
Standard lead time for Fulvestrant is 2–4 weeks for standard orders; expedited shipments possible for urgent requirements. We ship to 40+ countries worldwide using approved pharmaceutical-grade packaging (25 kg HDPE drums / aluminium foil bags). All shipments include temperature-controlled logistics options where required by the product's storage conditions.
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