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31081-02-4

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31081-02-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31081-02-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,0,8 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 31081-02:
(7*3)+(6*1)+(5*0)+(4*8)+(3*1)+(2*0)+(1*2)=64
64 % 10 = 4
So 31081-02-4 is a valid CAS Registry Number.

31081-02-4Downstream Products

31081-02-4Relevant articles and documents

The Chemistry of 5-Oxodihydroisoxazoles. VI. The Photolysis of 2-Arylisoxazol-5(2H)-ones in Amines

Ang, Kiah H.,Prager, Rolf H.

, p. 477 - 488 (2007/10/02)

Ethyl 5-oxo-2-phenyl-2,5-dihydroisoxazole-4-carboxylate (1) undergoes facile photolysis at 300 nm by two pathways in the presence of amines.One pathway gives an isomeric ketene which, in the presence of amines, is trapped as methanetricarboxylic acid amid

The Chemistry of 5-Oxodihydroisoxazoles. IV. Reactions of Some N-Arylisoxazol-5-ones with Nucleophiles

Ang, Kiah H.,Donati, Cosimo,Donkor, Augustine,Prager, Rolf H.

, p. 2037 - 2048 (2007/10/02)

The reactions of ethyl 2-aryl-5-oxo-2,5-dihydroisoxazole-4-carboxylate (aryl = phenyl, isoquinolin-1-yl, 2-phenylquinazolin-4-yl and 5-nitropyridin-2-yl) with azide and primary, secondary and tertiary amines, and a number of other nucleophiles are describ

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