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1577232-57-5

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1577232-57-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1577232-57-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,7,2,3 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1577232-57:
(9*1)+(8*5)+(7*7)+(6*7)+(5*2)+(4*3)+(3*2)+(2*5)+(1*7)=185
185 % 10 = 5
So 1577232-57-5 is a valid CAS Registry Number.

1577232-57-5Relevant articles and documents

Palladium-catalyzed imidoylative cyclization of α-isocyanoacetamides: Efficient access to c2-diversified oxazoles

Wang, Jian,Luo, Shuang,Huang, Jinbo,Mao, Tingting,Zhu, Qiang

, p. 11220 - 11224 (2014)

A novel procedure for the synthesis of C2-diversified oxazoles, through palladium-catalyzed imidoylative cyclization of α-isocyanoacetamides with aryl, vinyl, alkynyl halides, or triflates, was developed. Migratory insertion of isocyanide into a C sp 3-palladium(II) intermediate in a cascade process was also realized, generating alkyl-substituted oxazoles. Therefore, oxazoles functionalized at the C2 position with sp, sp2, and sp3 hybridized carbon atoms are accessible by applying this method.

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