CAS 145-13-1 appears in our catalog under these names: Pregnenolone, Pregnenolone, >95% (HPLC), Pregnenolone (3beta-Hydroxypregn-5-en-20-one), Pregnenolone 0.1 mg/ml in Acetonitrile, Pregnenolone, >98.0%(GC). Offered by: Chemat Brand, TRC, Dr. Ehrenstorfer, Mikromol, LoGiCal. Available pack sizes: on request, 1g, 50mg, 5g, 100mg, 25mg, 10mg, 1ml.