1290118-42-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1290118-42-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,0,1,1 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1290118-42:
(9*1)+(8*2)+(7*9)+(6*0)+(5*1)+(4*1)+(3*8)+(2*4)+(1*2)=131
131 % 10 = 1
So 1290118-42-1 is a valid CAS Registry Number.