The CAS Registry Mumber 66917-28-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,9,1 and 7 respectively; the second part has 2 digits, 2 and 8 respectively. Calculate Digit Verification of CAS Registry Number 66917-28: (7*6)+(6*6)+(5*9)+(4*1)+(3*7)+(2*2)+(1*8)=160 160 % 10 = 0 So 66917-28-0 is a valid CAS Registry Number.
Get Best Price for66917-28-0Acetic acid (3S,5S,6R,7R,8S,9S,10R,13S,14S,17S)-17-acetoxy-7-hydroxy-10,13-dimethyl-hexadecahydro-20-oxa-cyclopropa[5,6]cyclopenta[a]phenanthren-3-yl ester