2116-29-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2116-29-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,1 and 6 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2116-29:
(6*2)+(5*1)+(4*1)+(3*6)+(2*2)+(1*9)=52
52 % 10 = 2
So 2116-29-2 is a valid CAS Registry Number.