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28394-98-1

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28394-98-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28394-98-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,3,9 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 28394-98:
(7*2)+(6*8)+(5*3)+(4*9)+(3*4)+(2*9)+(1*8)=151
151 % 10 = 1
So 28394-98-1 is a valid CAS Registry Number.

28394-98-1Relevant articles and documents

3-Amino, 4-thio-substituted, 5-sulphamyl-benzoic acid derivatives

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, (2008/06/13)

This invention relates to new, therapeutically active compounds of the general formula SPC1 In which A represents one of the groupings EQU1 R2 --O--, R2 --S--, R2 --OS--, and R2 --O2 S--, R1, R2, R3, and R4 each represents hydrogen, an aliphatic radical, a cycloaliphatic radical, or an aromatically, cycloaliphatically, or heterocyclically substituted aliphatic radical, in addition to which R2 and R3 may each represent an aromatic or heterocyclic radical, and when A is EQU2 R1 and R2 may be linked to form a 5- to 8-membered heterocyclic ring system, which may have one or more nitrogen atoms, sulphur atoms, or oxygen atoms in addition to the nitrogen atom linked to R1 and R2 ; R5 is hydrogen or lower alkyl; and R6 is hydrogen or lower alkyl or acyl; to salts, esters, and amides of the said compounds; and to methods for the production of the compounds.

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