1235591-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1235591-17-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,5,5,9 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1235591-17:
(9*1)+(8*2)+(7*3)+(6*5)+(5*5)+(4*9)+(3*1)+(2*1)+(1*7)=149
149 % 10 = 9
So 1235591-17-9 is a valid CAS Registry Number.