The CAS Registry Mumber 131971-34-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,7 and 1 respectively; the second part has 2 digits, 3 and 4 respectively. Calculate Digit Verification of CAS Registry Number 131971-34: (8*1)+(7*3)+(6*1)+(5*9)+(4*7)+(3*1)+(2*3)+(1*4)=121 121 % 10 = 1 So 131971-34-1 is a valid CAS Registry Number.
Get Best Price for131971-34-1ethyl (6R,E)-2-methyl-6-((5R,10S,13R,14R,17R)-4,4,10,13,14-pentamethyl-3-oxo-2,3,4,5,6,7,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)hept-2-enoate