27317-13-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27317-13-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,3,1 and 7 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 27317-13:
(7*2)+(6*7)+(5*3)+(4*1)+(3*7)+(2*1)+(1*3)=101
101 % 10 = 1
So 27317-13-1 is a valid CAS Registry Number.