149013-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149013-90-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,0,1 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 149013-90:
(8*1)+(7*4)+(6*9)+(5*0)+(4*1)+(3*3)+(2*9)+(1*0)=121
121 % 10 = 1
So 149013-90-1 is a valid CAS Registry Number.