68399-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68399-91-7 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 1 respectively.
Calculate Digit Verification of CAS Registry Number 68399-91:
(7*6)+(6*8)+(5*3)+(4*9)+(3*9)+(2*9)+(1*1)=187
187 % 10 = 7
So 68399-91-7 is a valid CAS Registry Number.
InChI:InChI=1/C18H23N3O10S3/c1-2-21(11-12-30-33(24,25)26)17-7-3-15(4-8-17)19-20-16-5-9-18(10-6-16)32(22,23)14-13-31-34(27,28)29/h3-10H,2,11-14H2,1H3,(H,24,25,26)(H,27,28,29)/b20-19+