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1499-65-6

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1499-65-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1499-65-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,9 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1499-65:
(6*1)+(5*4)+(4*9)+(3*9)+(2*6)+(1*5)=106
106 % 10 = 6
So 1499-65-6 is a valid CAS Registry Number.

1499-65-6Downstream Products

1499-65-6Relevant articles and documents

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Felkin,H.,Roussi,G.

, p. 4153 - 4159 (1965)

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Stereochemistry of Aliphatic Carbocations, 13. Protonated Cyclopropanes as Intermediates in 1,2-Alkyl Shifts

Kirmse, Wolfgang,Loosen, Karin,Prolingheuer, Ernst-Christoph

, p. 129 - 141 (2007/10/02)

The nitrous acid deamination of 2-ethyl-1-methylbutylamine (10), 1,2-diethylbutylamine (35), and 2-ethyl-1-methylpentylamine (43) has been studied with respect to 1,2-alkyl shifts.Optically active and deuterated amines were employed whenever possible.The structure, configuration, and deuterium distribution of various products (e. g. 16 from 10, 40 and 48 from 35, 56 from 43) are most reasonably explained in terms of alkyl-bridged intermediates (corner-protonated cyclopropanes) which isomerize via proton shifts from corner to corner.The alternative interconversion of open ions via 1,3-H shifts is incompatible with our experimental results.

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