Cas 1277175-54-8,benzyl 5-nitrobenzofuran-2-ylcarbamate

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Check Digit Verification of cas no

The CAS Registry Mumber 1277175-54-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,7,1,7 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1277175-54:
(9*1)+(8*2)+(7*7)+(6*7)+(5*1)+(4*7)+(3*5)+(2*5)+(1*4)=178
178 % 10 = 8
So 1277175-54-8 is a valid CAS Registry Number.

1277175-54-8Upstream product

1277175-54-8Downstream Products

1277175-56-0 N-(5-nitrobenzofuran-2-yl)benzamide

1277175-54-8Relevant articles and documents

Synthesis of 3-aryl-2-arylamidobenzofurans based on the curtius rearrangement

Carrer, Amandine,Florent, Jean-Claude,Auvrouin, Emilie,Rousselle, Patricia,Bertounesque, Emmanuel

experimental part, p. 2502 - 2520 (2011/06/24)

The synthesis of novel 3-aryl-2-arylamidobenzofurans has been accomplished via a Curtius rearrangement strategy in four steps from benzofuran-2-carboxylic acids. The requisite Suzuki-Miyaura cross-coupling, with benzyl 3-bromobenzofuran-2-ylcarbamate or 2

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1277175-54-8