2229-97-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2229-97-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,2 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2229-97:
(6*2)+(5*2)+(4*2)+(3*9)+(2*9)+(1*7)=82
82 % 10 = 2
So 2229-97-2 is a valid CAS Registry Number.