The CAS Registry Mumber 10257-69-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,2,5 and 7 respectively; the second part has 2 digits, 6 and 9 respectively. Calculate Digit Verification of CAS Registry Number 10257-69: (7*1)+(6*0)+(5*2)+(4*5)+(3*7)+(2*6)+(1*9)=79 79 % 10 = 9 So 10257-69-9 is a valid CAS Registry Number.
Get Best Price for10257-69-9Ammonium,diethyl(3-hydroxypropyl)methyl-, iodide,2,4-diphenyl-1,3-cyclobutanedicarboxylate (2:1), trans-1,2,cis-1,3,trans-1,4-(8CI)