(8S,13S,14S)-11-Ethyl-3-methoxy-13-methyl-6,7,8,12,13,14,15,16-octahydro-cyclopenta[a]phenanthren-17-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 67020-41-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,0,2 and 0 respectively; the second part has 2 digits, 4 and 1 respectively. Calculate Digit Verification of CAS Registry Number 67020-41: (7*6)+(6*7)+(5*0)+(4*2)+(3*0)+(2*4)+(1*1)=101 101 % 10 = 1 So 67020-41-1 is a valid CAS Registry Number.