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1114427-40-5

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1114427-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1114427-40-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,1,4,4,2 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1114427-40:
(9*1)+(8*1)+(7*1)+(6*4)+(5*4)+(4*2)+(3*7)+(2*4)+(1*0)=105
105 % 10 = 5
So 1114427-40-5 is a valid CAS Registry Number.

1114427-40-5Downstream Products

1114427-40-5Relevant articles and documents

Synthetic utility of 4-bromo-2,3,5,6-tetrafluoropyridine

Christopher, John A.,Brophy, Laura,Lynn, Sean M.,Miller, David D.,Sloan, Lisa A.,Sandford, Graham

, p. 447 - 454 (2008/12/21)

The regiochemistry of nucleophilic substitution of 4-bromo-2,3,5,6-tetrafluoropyridine has been investigated. Efficient, regioselective reactions occur with alkylamine, benzylamine and alkoxide nucleophiles, yielding products where substitution occurs ortho to the ring nitrogen. The resulting 2-substituted-4-bromo-3,5,6-trifluoropyridines can be functionalised further, either by a second regioselective nucleophilic displacement or palladium catalysed elaboration at the 4-position. Reactions with aromatic N-nucleophiles yield mixtures of ortho- and para-substituted products.

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