313521-14-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313521-14-1 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 1 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 313521-14:
(8*3)+(7*1)+(6*3)+(5*5)+(4*2)+(3*1)+(2*1)+(1*4)=91
91 % 10 = 1
So 313521-14-1 is a valid CAS Registry Number.