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107469-26-1

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107469-26-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107469-26-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,4,6 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 107469-26:
(8*1)+(7*0)+(6*7)+(5*4)+(4*6)+(3*9)+(2*2)+(1*6)=131
131 % 10 = 1
So 107469-26-1 is a valid CAS Registry Number.

107469-26-1Relevant articles and documents

Facile synthesis of 2-substituted 4-azaindoles

Sun, Li-Ping,Wang, Jin-Xin

, p. 2187 - 2193 (2007)

A novel and efficient strategy for the synthesis of 2-substituted 4-azaindoles from 2-chloro-3-nitropyridine through Pd-catalyzed Sonogashira cross-coupling, followed by reduction and heteroannulation on t-BuOK, is reported. Copyright Taylor & Francis Group, LLC.

Condensed Heteroaromatic Ring Systems. XII. Synthesis of Indole Derivatives from Ethyl 2-Bromocarbanilates

Sakamoto, Takao,Kondo, Yoshinori,Iwashita, Shigeki,Yamanaka, Hiroshi

, p. 1823 - 1828 (2007/10/02)

The palladium-catalyzed reaction of ethyl 2-bromocarbanilate with trimethylsilylacetylene yielded ethyl 2-(trimethylsilylethynyl)carbanilate, which was treated with sodium ethoxide to give indole.The carbanilates having a methyl or a bromo substituent were similarly transformed to corresponding indole derivatives.Furthermore, pyrrolo- and Pyrrolopyridines were synthesized by this method.Keywords---palladium-catalyzed reaction; trimethylsilylacetylene; ethyl 2-halocarbanilate; ethyl 2-halopyridinecarbamate; ethyl 2-(trimethylsilylethynyl)carbanylate; ethyl o-(trimethylsilylethynyl)pyridinecarbamate;indole;pyrrolopyridine

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