Acetic acid (8S,13S,14S,17S)-13-ethyl-3-methoxy-7,8,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-17-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 56376-31-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,3,7 and 6 respectively; the second part has 2 digits, 3 and 1 respectively. Calculate Digit Verification of CAS Registry Number 56376-31: (7*5)+(6*6)+(5*3)+(4*7)+(3*6)+(2*3)+(1*1)=139 139 % 10 = 9 So 56376-31-9 is a valid CAS Registry Number.