131489-79-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131489-79-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,4,8 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 131489-79:
(8*1)+(7*3)+(6*1)+(5*4)+(4*8)+(3*9)+(2*7)+(1*9)=137
137 % 10 = 7
So 131489-79-7 is a valid CAS Registry Number.