Cas 1421932-99-1,ethyl 5-amino-4-cyano-2-(4-fluorophenyl)-1H-pyrrole-3-carboxylate

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Check Digit Verification of cas no

The CAS Registry Mumber 1421932-99-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,9,3 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1421932-99:
(9*1)+(8*4)+(7*2)+(6*1)+(5*9)+(4*3)+(3*2)+(2*9)+(1*9)=151
151 % 10 = 1
So 1421932-99-1 is a valid CAS Registry Number.

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1421932-99-1Relevant academic research and scientific papers

Facile, eco-friendly, catalyst-free synthesis of polyfunctionalized 2-aminopyrroles

Yu, Wanwan,Chen, Wenteng,Liu, Shen,Shao, Jiaan,Shao, Zhanying,Lin, Haili,Yu, Yongping

supporting information, p. 1953 - 1957 (2013/04/10)

Simple and eco-friendly synthesis of polyfunctionalized 2-aminopyrroles from vinyl azides and α-cyano derivatives has been accomplished with a good to excellent yield. The reaction was performed in ethanol/water co-solvent system without catalyst and the workup was facile. A plausible mechanism has been proposed.

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