497963-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 497963-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,9,6 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 497963-70:
(8*4)+(7*9)+(6*7)+(5*9)+(4*6)+(3*3)+(2*7)+(1*0)=229
229 % 10 = 9
So 497963-70-9 is a valid CAS Registry Number.