82-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82-98-4 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 82-98:
(4*8)+(3*2)+(2*9)+(1*8)=64
64 % 10 = 4
So 82-98-4 is a valid CAS Registry Number.
InChI:InChI=1/C21H25NO2/c1-2-22-15-9-14-19(16-22)24-21(23)20(17-10-5-3-6-11-17)18-12-7-4-8-13-18/h3-8,10-13,19-20H,2,9,14-16H2,1H3