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1276046-09-3

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1276046-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1276046-09-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,6,0,4 and 6 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1276046-09:
(9*1)+(8*2)+(7*7)+(6*6)+(5*0)+(4*4)+(3*6)+(2*0)+(1*9)=153
153 % 10 = 3
So 1276046-09-3 is a valid CAS Registry Number.

1276046-09-3Downstream Products

1276046-09-3Relevant articles and documents

The Grob/Eschenmoser fragmentation of cycloalkanones bearing β-electron withdrawing groups: A general strategy to acyclic synthetic intermediates

Hierold, Judith,Hsia, Tina,Lupton, David W.

experimental part, p. 783 - 792 (2011/03/21)

Introduction of a β-electron withdrawing group to cycloalkanones allows facile C-C bond fragmentation. The reaction has been demonstrated with a large range of ring sizes, bearing various leaving and electron withdrawing groups, and using a variety of nitrogen and oxygen containing nucleophiles (>30 examples). The application of fragmentation products to the preparation of substituted γ-lactones has been demonstrated. Mechanistic studies are reported which are suggestive of a Grob/Eschenmoser type reaction.

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