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111222-52-7

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111222-52-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111222-52-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,2,2 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 111222-52:
(8*1)+(7*1)+(6*1)+(5*2)+(4*2)+(3*2)+(2*5)+(1*2)=57
57 % 10 = 7
So 111222-52-7 is a valid CAS Registry Number.

111222-52-7Relevant articles and documents

Reaction of some N-acyl-1-alkylamines with polyphosphoric ester PPE: nuclear magnetic resonance and stereochemistry of reaction products

Alesso, Elba N.,Tombari, Dora G.,Iglesias, Graciela Y. Moltrasio,Aguirre, Jose M.

, p. 2568 - 2574 (2007/10/02)

Phenylindanes were obtained from the reaction of N-acyl-1-arylalkylamines with polyphosphoric ester (PPE). cis-1-Methyl-3-(3,4-dimethoxyphenyl)-5,6-dimethoxyindane was synthesized to determine which stereoisomer was produced by N-formyl and N-acetyl-1-(3,4-dimethoxyphenyl)ethylamine with PPE.Nuclear magnetic resonance specta (1H and 13C) of several mono-, 1,3-di-, and 1,2,3-tri-substituted indanes were fully analyzed to provide information on steric interactions and conformation of the cyclopentene ring.Possible cyclodimerization pathways are proposed.

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