13312-40-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13312-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,3,1 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 13312-40:
(7*1)+(6*3)+(5*3)+(4*1)+(3*2)+(2*4)+(1*0)=58
58 % 10 = 8
So 13312-40-8 is a valid CAS Registry Number.