98694-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98694-72-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,6,9 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 98694-72:
(7*9)+(6*8)+(5*6)+(4*9)+(3*4)+(2*7)+(1*2)=205
205 % 10 = 5
So 98694-72-5 is a valid CAS Registry Number.