313519-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313519-67-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,5,1 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 313519-67:
(8*3)+(7*1)+(6*3)+(5*5)+(4*1)+(3*9)+(2*6)+(1*7)=124
124 % 10 = 4
So 313519-67-4 is a valid CAS Registry Number.