4698-23-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4698-23-1 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, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4698-23:
(6*4)+(5*6)+(4*9)+(3*8)+(2*2)+(1*3)=121
121 % 10 = 1
So 4698-23-1 is a valid CAS Registry Number.