56739-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56739-21-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,7,3 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 56739-21:
(7*5)+(6*6)+(5*7)+(4*3)+(3*9)+(2*2)+(1*1)=150
150 % 10 = 0
So 56739-21-0 is a valid CAS Registry Number.
InChI:InChI=1/C16H13N3O4/c1-2-17-15(20)13-8-3-4-9-14(13)18(16(17)21)11-6-5-7-12(10-11)19(22)23/h3-10H,2H2,1H3
56739-21-0Relevant articles and documents
1-Nitrophenylquinazoline-2,4(1H,3H)-diones
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, (2008/06/13)
The compounds of the present invention can be represented by the following formula: STR1 wherein R is selected from the group consisting of hydrogen, lower alkyl, unsaturated lower alkyl, substituted lower alkyl and aralkyl; X is selected from the group c
