499786-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 499786-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,9,7,8 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 499786-45:
(8*4)+(7*9)+(6*9)+(5*7)+(4*8)+(3*6)+(2*4)+(1*5)=247
247 % 10 = 7
So 499786-45-7 is a valid CAS Registry Number.