134793-31-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134793-31-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,7,9 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 134793-31:
(8*1)+(7*3)+(6*4)+(5*7)+(4*9)+(3*3)+(2*3)+(1*1)=140
140 % 10 = 0
So 134793-31-0 is a valid CAS Registry Number.