70312-16-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70312-16-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,3,1 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 70312-16:
(7*7)+(6*0)+(5*3)+(4*1)+(3*2)+(2*1)+(1*6)=82
82 % 10 = 2
So 70312-16-2 is a valid CAS Registry Number.