131924-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131924-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,2 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 131924-83:
(8*1)+(7*3)+(6*1)+(5*9)+(4*2)+(3*4)+(2*8)+(1*3)=119
119 % 10 = 9
So 131924-83-9 is a valid CAS Registry Number.