131938-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131938-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,3 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 131938-72:
(8*1)+(7*3)+(6*1)+(5*9)+(4*3)+(3*8)+(2*7)+(1*2)=132
132 % 10 = 2
So 131938-72-2 is a valid CAS Registry Number.