211116-73-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 211116-73-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,1,1 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 211116-73:
(8*2)+(7*1)+(6*1)+(5*1)+(4*1)+(3*6)+(2*7)+(1*3)=73
73 % 10 = 3
So 211116-73-3 is a valid CAS Registry Number.