Pregnenolone English Synonyms: DELTA5-PREGNEN-3BETA-OL-20-ONE; 3b-hydroxy-5-pregnen-20-one CAS NO.: 145-13-1 Assay: 99% Molecular Formula: C21H32O2 Molecular Weight: 316.48 Quality Standard: Enterprise Standard Packing:1kg/foil bag Appearance: White or almost white crystalline powder Melting point:　193 ℃. Insoluble in water. Use for biochemical studies. Progesterone hormone class medicine intermediate E-mail: zq@chembj.com Skype: fan-@outlook.com