497222-34-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 497222-34-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,2,2 and 2 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 497222-34:
(8*4)+(7*9)+(6*7)+(5*2)+(4*2)+(3*2)+(2*3)+(1*4)=171
171 % 10 = 1
So 497222-34-1 is a valid CAS Registry Number.