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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 DATABASEpara-methoxy 4-ANPP (Item No. 27946) is an analytical reference standard that is structurally similar to known opioids. para-methoxy 4-ANPP is a precursor in the synthesis of para-methoxyfentanyl (Item No. 20035). para-methoxy 4-ANPP is a potential impurity in para-methoxyfentanyl preparations. This product is intended for research and forensic applications.
WARNING This product is not for human or veterinary use.