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41807-88-9

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41807-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41807-88-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,8,0 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 41807-88:
(7*4)+(6*1)+(5*8)+(4*0)+(3*7)+(2*8)+(1*8)=119
119 % 10 = 9
So 41807-88-9 is a valid CAS Registry Number.

41807-88-9Relevant articles and documents

STEREOSPECIFITY OF 3JCH SPIN-SPIN COUPLING CONSTANTS IN BICYCLIC cis-DIAZIRINES: STEREOCHEMISTRY OF 2,4,6-TRIALKYL-1,3,5-TRIAZABICYCLOHEXANES

Denisenko, S. N.,Shustov, G. V.,Chervin, I. I.,Kostyanovskii, R. G.

, p. 1104 - 1109 (2007/10/02)

Stereospecifity of 3JC,N,C,H spin-spin coupling constants (3Jtrans > Jgauche) in the 13C NMR spectra of 1,5-diaza- and 1,3,5-triazabicyclohexanes was observed.Proceeding from this, the preferred conformations of the d,l and meso isomers of 2,4,6-trialkyl-1,3,5-triazabicyclohexanes were established, and a mechanism for the interconversion of these isomers via openings of the five-membered ring ans imino-enamine equilibrium was proposed.It is also shown, that the stereochemical result of the Schmitz reaction is determined in the step involving cyclization of the iminium intermediate.

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