22249-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22249-39-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,2,4 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22249-39:
(7*2)+(6*2)+(5*2)+(4*4)+(3*9)+(2*3)+(1*9)=94
94 % 10 = 4
So 22249-39-4 is a valid CAS Registry Number.