68399-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68399-98-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,3,9 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 68399-98:
(7*6)+(6*8)+(5*3)+(4*9)+(3*9)+(2*9)+(1*8)=194
194 % 10 = 4
So 68399-98-4 is a valid CAS Registry Number.
InChI:InChI=1/C21H19N3O5/c1-2-29-21(27)17-18-13-6-7-15(23-8-10-28-11-9-23)12-4-3-5-14(16(12)13)20(26)24(18)22-19(17)25/h3-7H,2,8-11H2,1H3,(H,22,25)