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Trisodium 4,5-dihydro-4-[[4-(6-methyl-7-sulphonatobenzothiazol-2-yl)phenyl]azo]-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate is a complex organic compound with the chemical formula C21H13N4Na3O10S3. It is a derivative of pyrazole, a heterocyclic compound with a five-membered ring containing two nitrogen atoms. This particular compound features a pyrazole core with a 4,5-dihydro structure, an azo group connecting a phenyl ring to the pyrazole, and a methyl group on the benzothiazole moiety. The compound also contains three sodium ions, which are likely to be associated with the sulfonate groups present in the molecule. This complex structure suggests that it may have specific applications in chemical research or as a component in certain industrial processes, such as in the synthesis of dyes or pigments.

6442-00-8

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6442-00-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6442-00-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,4 and 2 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6442-00:
(6*6)+(5*4)+(4*4)+(3*2)+(2*0)+(1*0)=78
78 % 10 = 8
So 6442-00-8 is a valid CAS Registry Number.
InChI:InChI=1/C24H17N5O9S3.3Na/c1-12-2-11-17-20(21(12)41(36,37)38)39-22(25-17)13-3-5-14(6-4-13)26-27-18-19(24(31)32)28-29(23(18)30)15-7-9-16(10-8-15)40(33,34)35;;;/h2-11,18H,1H3,(H,31,32)(H,33,34,35)(H,36,37,38);;;/q;3*+1/p-3/b27-26+;;;

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