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1276114-83-0

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1276114-83-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1276114-83-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,6,1,1 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1276114-83:
(9*1)+(8*2)+(7*7)+(6*6)+(5*1)+(4*1)+(3*4)+(2*8)+(1*3)=150
150 % 10 = 0
So 1276114-83-0 is a valid CAS Registry Number.

1276114-83-0Relevant articles and documents

Synthesis of the core ring system of the yuzurimine-type daphniphyllum alkaloids by cascade condensation, cyclization, cycloaddition chemistry

Coldham, Iain,Watson, Luke,Adams, Harry,Martin, Nathaniel G.

, p. 2360 - 2366 (2011/05/30)

Addition of hydroxylamine to substituted 4-chlorobutanals gives intermediate nitrones that undergo tandem cyclization and then intramolecular dipolar cycloaddition to give the core ring system of the yuzurimine-type natural products. Ring-opening of the isoxazolidines gives amino alcohols that can be converted to 1,3-oxazines, representing the tetracyclic core of alkaloids such as daphcalycic acid and daphcalycine.

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