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30747-39-8

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30747-39-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 30747-39-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,7,4 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 30747-39:
(7*3)+(6*0)+(5*7)+(4*4)+(3*7)+(2*3)+(1*9)=108
108 % 10 = 8
So 30747-39-8 is a valid CAS Registry Number.

30747-39-8Relevant articles and documents

Chemistry of photogenerated α-hydroxy-p-nitrobenzyl carbanions in aqueous solution: Protonation vs. disproportionation

Morrison, James,Wan, Peter,Corrie, John E.T.,Munasinghe, V. Ranjit N.

, p. 586 - 597 (2007/10/03)

The photochemistry of p-nitrobenzyl derivatives 6-10 has been studied in aqueous solution as a function of pH, using product analysis, UV-vis spectrophotometry, and laser flash photolysis (LFP). The compounds were chosen with the aim of further exploring the propensity of these systems to give rise to α-hydroxy-p-nitrobenzyl carbanions on photolysis, and to study their mechanisms of subsequent reaction, α-Hydroxy-substituted carbanions are anions that cannot be readily formed using thermal routes but which are believed to have some interesting chemistry. Three methods were employed for photogenerating these carbanions: (i) decarboxylation; (ii) retro-Aldol reaction; and (iii) carbon acid deprotonation. All three methods proved to be successful using the p-nitrobenzyl chromophore. Photogenerated α-hydroxy-p-nitrobenzyl carbanions react via disproportionation, giving rise to oxidized and reduced products; simple protonation of the anion was undetectable.

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