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62269-21-0

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62269-21-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 62269-21-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,2,6 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 62269-21:
(7*6)+(6*2)+(5*2)+(4*6)+(3*9)+(2*2)+(1*1)=120
120 % 10 = 0
So 62269-21-0 is a valid CAS Registry Number.

62269-21-0Relevant articles and documents

Stereocontrolled conversion of 3-unsubstituted isoxazole compounds into Z-β-siloxyacrylonitriles. A new method for the regioselective synthesis of β-enaminoketones

Gonzalez,Gonzalez,Pulido

, p. 1005 - 1014 (2007/10/02)

The stereoselective synthesis of Z-β-siloxyacrylonitriles via base-induced ring cleavage of isoxazole precursors is described. Z-β-siloxyacrylonitriles react with organolithium compounds to give high yields of β-enaminoketones 1.

SYNTHESIS AND REARRANGEMENT OF CYCLOADDUCTS FROM TRIMETHYLSILANECARBONITRILE OXIDE

Sarlo, Francesco De,Brandi, Alberto,Goti, Andrea,Guarna, Antonio,Rovero, Paolo

, p. 511 - 518 (2007/10/02)

The cycloadducts from trimethylsilanecarbonitrile oxide and ethylenic or acetylenic compounds easily rearrange to open-chain intermediates, which, in turn, are hydrolysed respectively to β-hydroxynitriles and β-oxonitriles.The cycloadducts of the same nitrile oxide with sulfur dioxide and sulfinylamines are unstable, too, leading respectively to trimethylsilylisocyanate and trimethylsilylcarbodiimides.All these reactions are of preparative interest, in comparison with previous methods.

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