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126225-89-6

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126225-89-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126225-89-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,2,2 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 126225-89:
(8*1)+(7*2)+(6*6)+(5*2)+(4*2)+(3*5)+(2*8)+(1*9)=116
116 % 10 = 6
So 126225-89-6 is a valid CAS Registry Number.

126225-89-6Relevant articles and documents

The Synthesis of Indolizidine and Quinolizidine Ring Systems by Free Radical Cyclization of 4-Aza-6-methoxycarbonyl-5-hexenyl Radicals

Beckwith, Athelstan L. J.,Westwood, Steven W.

, p. 5269 - 5282 (1989)

The formation of bicyclic amines by the intramolecular cyclization of 4-aza-6-methoxycarbonyl-5-hexenyl radicals is described.The direct attachment of a nitrogen atom to the double bond changes the electronic nature of the alkene such that the cyclization is less efficient than the all carbon analogue or the other aza-substituted 5-hexenyl cyclizations.The reaction has been used in a short, convenient synthesis of a variety of indolizidines from methyl nicotinate.In addition, the cyclization was used as the key step in a short synthesis of (+/-)-epilupinine from methyl nicotinate.

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