The CAS Registry Mumber 55976-58-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,9,7 and 6 respectively; the second part has 2 digits, 5 and 8 respectively. Calculate Digit Verification of CAS Registry Number 55976-58: (7*5)+(6*5)+(5*9)+(4*7)+(3*6)+(2*5)+(1*8)=174 174 % 10 = 4 So 55976-58-4 is a valid CAS Registry Number.
Get Best Price for55976-58-4((3aS,5aR,5bR,7aR,9S,11aR,11bR,13aS)-9-acetoxy-1-isopropyl-5a,5b,8,8,11a-pentamethyl-3,3a,4,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13,13a-octadecahydro-2H-cyclopenta[a]chrysen-3a-yl)methyl acetate