4693-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4693-98-5 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 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4693-98:
(6*4)+(5*6)+(4*9)+(3*3)+(2*9)+(1*8)=125
125 % 10 = 5
So 4693-98-5 is a valid CAS Registry Number.