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892404-18-1

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892404-18-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 892404-18-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,2,4,0 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 892404-18:
(8*8)+(7*9)+(6*2)+(5*4)+(4*0)+(3*4)+(2*1)+(1*8)=181
181 % 10 = 1
So 892404-18-1 is a valid CAS Registry Number.

892404-18-1Relevant articles and documents

Synthesis of annelated azaheterocycles containing a 5-carbamoylpyrazin-3- one fragment by a modification of the four-component Ugi reaction

Ilyin, Alexey P.,Kobak, Vladimir V.,Dmitrieva, Irina G.,Peregudova, Yulia N.,Kustova, Veronika A.,Mishunina, Yulia S.,Tkachenko, Sergey E.,Ivachtchenko, Alexandre V.

, p. 4670 - 4679 (2007/10/03)

A convenient synthesis of novel imidazole- and pyrrole-fused 1-oxo-1,2,3,4-tetrahydropyrazine heterocyclic structures by a novel modification of the four-component Ugi condensation is described. The usefulness and versatility of the developed approach for the synthesis of variously substituted compounds is demonstrated and the scope and limitations of the chemistry involved are discussed. Wiley-VCH Verlag GmbH & Co. KGaA, 2005.

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