Product information
Exemestane is a steroidal irreversible aromatase inhibitor used as adjuvant treatment for postmenopausal women with ER-positive early breast cancer, particularly after 2-3 years of tamoxifen therapy (switch strategy). Distinct from non-steroidal AIs (anastrozole, letrozole) in mechanism — covalently inactivates aromatase enzyme. Manufactured to USP and Ph. Eur. specifications.
Product specifications
- CAS Registry Number
- 107868-30-4
- Therapeutic Category
- Human APIs
- API Technology
- Synthetic / Semi-synthetic (per molecule)
- Development Status
- Commercial — stocked
- Manufacturer
- Longshine Boi-Tech Pvt. Ltd.
- Facility
- Pune, Maharashtra, India 411001
Regulatory filings & documentation
We maintain regulatory dossiers in the following jurisdictions for Exemestane-relevant molecules. Letter of Authorization (LoA) and CEP / DMF / ASMF references are issued at no charge to qualified buyers.
Frequently asked questions about Exemestane
What is Exemestane used for?
Exemestane is supplied as a pharmaceutical-grade human apis for use by regulated pharmaceutical manufacturers, contract development and manufacturing organisations (CDMOs), and research institutions. Buyers using Exemestane typically reference it under CAS Registry Number 107868-30-4.
What quality and regulatory standards does Longshine Boi-Tech's Exemestane meet?
Our Exemestane is manufactured under WHO-GMP and ISO 9001:2015 conditions in Pune, India. Per-batch Certificate of Analysis (CoA) is released against USP / Ph. Eur. / IP / JP specifications depending on destination market. We hold US FDA Drug Master File and EDQM Certificate of Suitability dossiers for the molecules where regulatory recognition is required; Letter of Authorization (LoA) is issued at no charge to qualified buyers.
How do I request a quote, sample, or proforma invoice for Exemestane?
Quote requests for Exemestane are turned around within 24 business hours (IST, Pune). Bulk APIs typically ship within 7-10 business days of confirmed PO; air freight to North America and Europe runs 4-5 days door-to-door. Sample agreements are signed before shipping QC-grade material to your formulation laboratory.
Which countries does Longshine Boi-Tech supply Exemestane to?
We export Exemestane to 50+ countries including the United States, Canada, Mexico, Brazil, the European Union, the United Kingdom, Japan, Australia, South Korea, the GCC and across South-East Asia. All regulatory documents (DMF / CEP / LoA) and shipping incoterms (EXW, FCA, CIP, DAP, DDP) are negotiated per buyer.
Related Human APIs APIs
Other human apis molecules from Longshine Boi-Tech's WHO-GMP catalogue — each with active regulatory filings, audit-ready CoA, and samples available under CDA.
Related categories & resources
Browse the full Human APIs catalogue or all 560+ products. Reference documents: certifications portfolio · quality system · FDA DMF buyer guide · EU CEP supplier guide · complete product index.