99009-21-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99009-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,0,0 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99009-21:
(7*9)+(6*9)+(5*0)+(4*0)+(3*9)+(2*2)+(1*1)=149
149 % 10 = 9
So 99009-21-9 is a valid CAS Registry Number.
InChI:InChI=1/C19H21N5O3.CH4O3S/c1-22(2)9-4-10-23-15-7-8-16(24(25)26)19-17(15)18(21-23)13-11-12(27-3)5-6-14(13)20-19;1-5(2,3)4/h5-8,11,21H,4,9-10H2,1-3H3;1H3,(H,2,3,4)
99009-21-9Relevant articles and documents
Pyrazolo[3,4,5-kl]acridine compositions and methods for their production and use
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, (2008/06/13)
Pyrazolo[3,4,5-kl]acridines are described as antibacterial agents and antitumor agents as well as pharmaceutical compositions and methods for their preparation.