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80953-46-4

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80953-46-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80953-46-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,5 and 3 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 80953-46:
(7*8)+(6*0)+(5*9)+(4*5)+(3*3)+(2*4)+(1*6)=144
144 % 10 = 4
So 80953-46-4 is a valid CAS Registry Number.

80953-46-4Downstream Products

80953-46-4Relevant articles and documents

Structural Effects on the Transition States of Imine-Forming Eliminations in N-Substituted O-(Arylsulfonyl)hydroxylamines

Hoffman, Robert V.,Shankweiler, Jean M.

, p. 4019 - 4022 (2007/10/02)

A series of amines with various alkyl and aryl substituents at C-1 were converted to the corresponding N-(arylsulfonoxy)amines, which served as precursors for base-promoted, imine-forming elimination.By varying the bases used to promote the elimination and by varying the leaving groups attached to nitrogen, the Broensted parameters β and βlgCH3 were determined.These were used to locate the transition state on the More O'Ferrall-Jencks energy surface for elimination.Substituents were found to influence the structure of the activated complex markedly.Resonance effects were most important, while inductive effects had little influence .

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