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154545-23-0

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154545-23-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154545-23-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,5,4 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 154545-23:
(8*1)+(7*5)+(6*4)+(5*5)+(4*4)+(3*5)+(2*2)+(1*3)=130
130 % 10 = 0
So 154545-23-0 is a valid CAS Registry Number.

154545-23-0Relevant articles and documents

Carbonyl Oxide Chemistry. Part 2. Substituent and Solvent Effects on the Chemical Behaviour of Carbonyl Oxides

Iesce, M. Rosaria,Cermola, Flavio,Graziano, M. Liliana,Scarpati, Rachele

, p. 147 - 152 (2007/10/02)

Comparison of the behaviour in polar and apolar solvents at various concentrations of the monoaryl carbonyl oxides 1 bearing an electron-withdrawing or an electron-donating group, respectively, on the aryl substituent is reported.The results are consistent with the conversion pathways reported in Scheme 1 and show that the electron-donating group increases the intramolecular oxygen-transfer potential of the system.It is also proposed that under some experimental conditions the carbonyl oxides so substituted mainly isomerize into dioxiranes 11.

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