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94550-18-2

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94550-18-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94550-18-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,5,5 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 94550-18:
(7*9)+(6*4)+(5*5)+(4*5)+(3*0)+(2*1)+(1*8)=142
142 % 10 = 2
So 94550-18-2 is a valid CAS Registry Number.

94550-18-2Relevant articles and documents

Phototransformations of C-benzoylaziridines. Dipolarophilic trapping of photogenerated azomethine ylides

Ramaian, D.,Muneer, M.,Gopidas, K. R.,Das, P. K.,Rath, N. P.,George, M. V.

, p. 4240 - 4246 (2007/10/03)

The phototransformations of a few 2,3-diaroylaziridines and 2-aryl-3-aroylaziridines have been studied by steady-state photolysis and product analysis.The formation of various photoproducts could be substantiated by ring opening via C-C bond cleavage (leading to azomethine ylides), intramolecular hydrogen abstraction, and C-N bond cleavage.Isolation of stereospecific 3-pyrrolidine derivatives from the photoreaction of benzoylaziridines in the presence of DMAD confirms our previous results concerning the azomethine ylides as major transient intermediates, produced under laser pulse photoexcitation.Dimethyl 1-cyclohexyl-2-benzoylpyrrole-3,4-dicarboxylate (25), one of the photoadducts derived from the reaction of 1a and 1b with DMAD undergoes a novel and unusual photoarrangement to give dimethyl 2-(1-benzoylcyclohexyl)pyrrole-3,4-dicarboxylate (27), the structure of which was confirmed through X-ray crystallographic analysis.

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