1119422-91-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1119422-91-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,1,9,4,2 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1119422-91:
(9*1)+(8*1)+(7*1)+(6*9)+(5*4)+(4*2)+(3*2)+(2*9)+(1*1)=131
131 % 10 = 1
So 1119422-91-1 is a valid CAS Registry Number.