1-((8S,9S,13S,14S)-3-Methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl)-ethanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 273208-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,3,2,0 and 8 respectively; the second part has 2 digits, 4 and 0 respectively. Calculate Digit Verification of CAS Registry Number 273208-40: (8*2)+(7*7)+(6*3)+(5*2)+(4*0)+(3*8)+(2*4)+(1*0)=125 125 % 10 = 5 So 273208-40-5 is a valid CAS Registry Number.