CAS 83-66-9 appears in our catalog under these names: Musk ambrette, Musk ambrette 10 µg/mL in Cyclohexane, 4–tert–Butyl–3–methoxy–2,6–dinitrotoluene, 4-tert-Butyl-3-methoxy-2,6-dinitrotoluene, >99.0%(GC), 4-tert-Butyl-2,6-dinitro-3-methoxytoluene, 98%+(GC-MS),RG, 98%+(GC-MS),RG. Offered by: Dr. Ehrenstorfer, GLPBio, TCI, Chemat, HPC Standards. Available pack sizes: 10mg, 1ml, 100g, 25g, 500g, 5g, 1x25mg.