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934107-27-4

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934107-27-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934107-27-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,1,0 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 934107-27:
(8*9)+(7*3)+(6*4)+(5*1)+(4*0)+(3*7)+(2*2)+(1*7)=154
154 % 10 = 4
So 934107-27-4 is a valid CAS Registry Number.

934107-27-4Relevant articles and documents

Three-component reaction of methyl 2,4-dioxo-4-phenylbutanoate and methyl 2,4-dioxopentanoate with aromatic aldehydes and propane-1,2-diamine and chemical properties of the products

Gein,Kasimova,Aliev,Vakhrin

experimental part, p. 875 - 883 (2010/10/21)

The reactions of methyl 2,4-dioxo-4-phenylbutanoate and methyl 2,4-dioxopentanoate with a mixture of an aromatic aldehyde and propane-1,2-diamine, depending on the initial reactant ratio, gave 4-acyl-1-(2-aminopropyl)-5-aryl-3-hydroxy-2,5-dihydro-1H-pyrrol-2-ones and 1,1′-(propane-1,2-diyl)bis(4-acetyl-3-hydroxy-5-phenyl-2, 5-dihydro-1H-pyrrol-2-one). Reactions of substituted 1-(2-aminopropyl)-2,5- dihydro-1H-pyrrol-2-ones with aromatic amines and hydrazines were studied, and the structure of one of the products, 5-(2-aminopropyl)-3,4-diphenylpyrrolo[3,4- c]pyrazol-6-one, was proved by X-ray analysis.

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