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951024-70-7

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951024-70-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 951024-70-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,1,0,2 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 951024-70:
(8*9)+(7*5)+(6*1)+(5*0)+(4*2)+(3*4)+(2*7)+(1*0)=147
147 % 10 = 7
So 951024-70-7 is a valid CAS Registry Number.

951024-70-7Relevant articles and documents

Regioselective TEMPO oxidation of 2-alkylidene-1,3-propanediols to (E)-2-hydroxymethyl-2-alkenals and application to 4-alkylidene-2-penten-5-olide synthesis

Peng, Wei,Ashida, Kazumi,Hirabaru, Toshiaki,Ma, Li-Jian,Inokuchi, Tsutomu

experimental part, p. 9714 - 9720 (2011/02/23)

The oxidation system comprised of TEMPO and (diacetoxyiodo)benzene (stoichiometric) is enhanced during the conversion of primary alcohols to aldehydes by adding a catalytic amount of acids, p-TsOH and PPTS. 2-Alkylidene-1,3-propanediols, available from 1,3-dihydroxyacetone, are oxidized under the stated conditions to the corresponding (E)-2-hydroxymethyl-2- alkenals, which are utilized as an intermediate for the expeditious synthesis of 4-alkylidene-2-penten-5-olides.

Synthesis and Structure of (E)-3-Phenylmethylene-2-oxetanone: Comments on the Stability of Methylene β-Lactones

Campi, Eva M.,Dyall, Kenneth,Fallon, Gary,Jackson, W. Roy,Perlmutter, Patrick,Smallridge, Andrew J.

, p. 855 - 856 (2007/10/02)

A route to stereospecifically (E)-substituted methylene-2-oxetanones is exemplified by the preparation of the phenyl derivative 4, whose structure has been confirmed by a single crystal X-ray structure determination.The relative stability of the parent compound, 3-methylene-2-oxetanone (5) has been compared with that of the well-known 4-methylene-2-oxetanone (6) (ketene dimer), by use of calculations involving Gaussian 82 programs.

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