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126441-79-0

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126441-79-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126441-79-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,4,4 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 126441-79:
(8*1)+(7*2)+(6*6)+(5*4)+(4*4)+(3*1)+(2*7)+(1*9)=120
120 % 10 = 0
So 126441-79-0 is a valid CAS Registry Number.

126441-79-0Downstream Products

126441-79-0Relevant articles and documents

THE 1,3-DIPOLAR CYCLOADDITION OF CYCLIC NITRONES WITH 1,2-DISUBSTITUTED ALKENES

Ali, Sk. Asrof,Khan, Javaid H.,Wazeer, Mohammed I. M.,Perzanowski, Herman P.

, p. 5979 - 5986 (1989)

A comparative study of the stereochemical behaviour of the 1,3-dipolar cycloaddition of a series of 1,2-disubstituted alkenes with 1-pyrroline 1-oxide (1) and 2,3,4,5-tetrahydropyridine 1-oxide (2) has been carried out.Both the nitrones exhibit very similar stereochemical properties.Rate constants for the cycloaddition of these nitrones to several disubstituted alkenes have been determined at 36 C by 1H n.m.r. spectroscopy.It is found that the nitrone 1 reacts slower than 2 due to the presence of bond eclipsing strain in the transition state involving 1.

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