149917-01-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149917-01-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,9,1 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 149917-01:
(8*1)+(7*4)+(6*9)+(5*9)+(4*1)+(3*7)+(2*0)+(1*1)=161
161 % 10 = 1
So 149917-01-1 is a valid CAS Registry Number.