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Provide batch numbers separated by commas to download or request available product inserts, QC sheets, certificates of analysis, data packs, and GC-MS data.

Our free, searchable, GC-MS spectral database contains 70eV EI mass spectral data of 2,000+ of Cayman’s forensic drug standards.
DOWNLOAD THE DATABASETamoxifen (Item No. 27190) is an analytical reference standard categorized as a selective estrogen receptor modulator (SERM).1 Formulations containing tamoxifen have been used by bodybuilders to prevent gynecomastia associated with anabolic steroid use.2 Tamoxifen has been detected as an adverse analytical finding (AAF) during anti-doping testing.3 This product is intended for use in analytical forensic applications. This product is also available as a general research tool (Item Nos. 13258 | 11629).
WARNING This product is not for human or veterinary use.
1. Relevance of the selective oestrogen receptor modulators tamoxifen, toremifene and clomiphene in doping field: Endogenous steroids urinary profile after multiple oral doses. Steroids 76(12), 1400-1406 (2011).
2. Tamoxifen as an ergogenic agent in women body builders. Clin. J. Sport Med. 12(5), 313-314 (2002).
3. 2014 Anti-