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134450-66-1

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134450-66-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134450-66-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,4,5 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 134450-66:
(8*1)+(7*3)+(6*4)+(5*4)+(4*5)+(3*0)+(2*6)+(1*6)=111
111 % 10 = 1
So 134450-66-1 is a valid CAS Registry Number.

134450-66-1Relevant articles and documents

Succinimidylation and nitration of aromatic compounds by photolysis with N-nitrosuccinimide

Calvert, Jane,Eberson, Lennart,Hartshorn, Michael P.,Svensson, Jan O.

, p. 645 - 652 (2007/10/02)

N-Nitrosuccinimide (S-NO2) engages in weak charge transfer complexes with aromatic compounds (ArH).Upon photolysis with light of λ > 345 nm in dichloromethane, electron transfer within the charge transfer complex leads to the triad -NO2>from which products of eventual succinimidylation and/or nitration develop by initial attack of succinimide anion upon the radical cation.Photolysis in the presence of trifluoroacetic acid (0.4 mol dm-3) causes inactivation of S- by protonation, making EPR detection of ArH-radical cations or radicals cations formed by its further transformations possible.In acetonitrile, trifluoroacetic acid is too weak effectively to protonate S-, whereas addition of stronger acids again leads to the development of EPR spectra of ArH-radical cation in the case of 9,10-dimethylanthracene, the intensity increasing with decreasing pK of the acid.An X-ray crystal structure is reported for N-nitrosuccinimide.

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