Cas 127348-13-4,Acetic acid 4-cyano-5-methyl-2-phenyl-1H-pyrrol-3-yl ester

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Check Digit Verification of cas no

The CAS Registry Mumber 127348-13-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,3,4 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 127348-13:
(8*1)+(7*2)+(6*7)+(5*3)+(4*4)+(3*8)+(2*1)+(1*3)=124
124 % 10 = 4
So 127348-13-4 is a valid CAS Registry Number.

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127348-13-4Relevant academic research and scientific papers

PYRROLE DERIVATIVES FROM α-KETOALDEHYDES

Feliciano, Arturo San,Caballero, Esther,Pereira, Juan A. P.,Puebla, Pilar

, p. 6553 - 6562 (2007/10/02)

The reaction between enamines from β-ketoesters or β-ketonitriles and α-ketoaldehydes was investigated.Besides simple pyrrole and pyrrolinone derivatives, some compounds containing two units of ketoaldehyde were obtained.The structures of the reaction products were established by spectral methods, mainly through the use of two-dimensional NMR techniques and heteronuclear NOE-difference experiments.

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