Estriol CAS Number: CAS 50-27-1 Packing: 25kg Specification: 98% Description: Estriol Product Name CAS 50-27-1 Estriol Quality Standard USP26 Appearance White or almost white crystalline powder Content of 97-102 (%) Loss on Drying small equals 0.5 (%) Medical use of specifications 25 kg / barrel