1142-08-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1142-08-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,4 and 2 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1142-08:
(6*1)+(5*1)+(4*4)+(3*2)+(2*0)+(1*8)=41
41 % 10 = 1
So 1142-08-1 is a valid CAS Registry Number.