The CAS Registry Mumber 89685-85-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,6,8 and 5 respectively; the second part has 2 digits, 8 and 5 respectively. Calculate Digit Verification of CAS Registry Number 89685-85: (7*8)+(6*9)+(5*6)+(4*8)+(3*5)+(2*8)+(1*5)=208 208 % 10 = 8 So 89685-85-8 is a valid CAS Registry Number.
Get Best Price for89685-85-8Acetic acid (13S,17S)-3-acetoxy-2-iodo-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl ester