Cas 134305-17-2,N-chloro-N-(4-fluorophenyl)benzenesulphonamide

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Check Digit Verification of cas no

The CAS Registry Mumber 134305-17-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,3,0 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134305-17:
(8*1)+(7*3)+(6*4)+(5*3)+(4*0)+(3*5)+(2*1)+(1*7)=92
92 % 10 = 2
So 134305-17-2 is a valid CAS Registry Number.

134305-17-2Upstream product

312-63-0 N-(4-fluorophenyl)benzenesulfonamide

134305-17-2Downstream Products

134305-22-9 N-(1-methyl-1H-pyrrol-2-yl)-N-(4-fluorophenyl)benzenesulphonamide

134305-17-2Relevant academic research and scientific papers

?-SUBSTITUTION (ADDITION-ELIMINATION) IN PYRROLES: REACTION OF N-CHLORO-N-(4-SUBSTITUTED-PHENYL)BENZENESULPHONAMIDES WITH 1-METHYLPYRROLE

Rosa, Michael de,Nieto, Gustavo Cabrera

, p. 73 - 74 (2007/10/02)

The reaction of 1-methylpyrrole with N-chloro-N-(4-substituted-phenyl)-benzenesulphonamides leads to the attachment of the sulphonamide moiety to the pyrrole ring by ?-substitution (addition-elimination).

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134305-17-2

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