131724-42-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131724-42-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,7,2 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 131724-42:
(8*1)+(7*3)+(6*1)+(5*7)+(4*2)+(3*4)+(2*4)+(1*2)=100
100 % 10 = 0
So 131724-42-0 is a valid CAS Registry Number.