CAS No. 74421-21-9 2-(Phenylmethylene)cholest-4-en-3-one 2-(Phenylmethylene)cholest-4-en-3-one Catalog No.: 410509 Name: 2-(Phenylmethylene)cholest-4-en-3-one CAS: 74421-21-9 Formula: C34H48O Inquire about this product → | Safety data