The CAS Registry Mumber 17664-55-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,6,6 and 4 respectively; the second part has 2 digits, 5 and 5 respectively. Calculate Digit Verification of CAS Registry Number 17664-55: (7*1)+(6*7)+(5*6)+(4*6)+(3*4)+(2*5)+(1*5)=130 130 % 10 = 0 So 17664-55-0 is a valid CAS Registry Number.
Get Best Price for17664-55-0Acetic acid 2-((8S,9S,10R,11S,13S,14S,16S,17R)-16-cyano-11,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxo-ethyl ester