313522-67-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313522-67-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,5,2 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 313522-67:
(8*3)+(7*1)+(6*3)+(5*5)+(4*2)+(3*2)+(2*6)+(1*7)=107
107 % 10 = 7
So 313522-67-7 is a valid CAS Registry Number.