The CAS Registry Mumber 31716-03-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,7,1 and 6 respectively; the second part has 2 digits, 0 and 3 respectively. Calculate Digit Verification of CAS Registry Number 31716-03: (7*3)+(6*1)+(5*7)+(4*1)+(3*6)+(2*0)+(1*3)=87 87 % 10 = 7 So 31716-03-7 is a valid CAS Registry Number.
Get Best Price for31716-03-7(3aR,4R,5R,7S,8S,9R,9aS,12R)-8-hydroxy-4,7,9,12-tetramethyl-3-oxo-7-vinyldecahydro-4,9a-propanocyclopenta[8]annulen-5-yl 2-iodoacetate