131598-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131598-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,9 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 131598-99:
(8*1)+(7*3)+(6*1)+(5*5)+(4*9)+(3*8)+(2*9)+(1*9)=147
147 % 10 = 7
So 131598-99-7 is a valid CAS Registry Number.