1137-07-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1137-07-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,3 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1137-07:
(6*1)+(5*1)+(4*3)+(3*7)+(2*0)+(1*7)=51
51 % 10 = 1
So 1137-07-1 is a valid CAS Registry Number.