4698-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4698-45-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,9 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4698-45:
(6*4)+(5*6)+(4*9)+(3*8)+(2*4)+(1*5)=127
127 % 10 = 7
So 4698-45-7 is a valid CAS Registry Number.