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82505-76-8

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82505-76-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82505-76-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,5,0 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 82505-76:
(7*8)+(6*2)+(5*5)+(4*0)+(3*5)+(2*7)+(1*6)=128
128 % 10 = 8
So 82505-76-8 is a valid CAS Registry Number.

82505-76-8Relevant articles and documents

203. Synthesis, 13C-NMR-Spectra and X-Ray Investigation of 'Push-Pull'-Diacetylenes

Galli, Roberto,Neuenschwander, Markus,Engel, Peter

, p. 1914 - 1923 (2007/10/02)

Phenyl-substituted 'push-pull' diacetylenes 1f and 1g have been prepared by acetylation and benzoylation of the appropriate lithiodiynylamines 4 (Scheme 2). 13C-NMR spectra of diacetylenes 1a-g (Table 1) are discussed with respect to the expected polarisation of the diacetylene unit by 'push and pull' substituents.X-Ray investigations of 1c, 1e, and 1f have been performed in view of the planned solid-state polymerisation of 'push-pull' diacetylenes.In the crystalline state, diacetylenes 1c and 1f are stacked, however, the stacking parameters do not allow a solid-state polymerisation.

Einfacher, sehr variabler Zugang zu (1,3-Diinyl)aminen

Himbert, Gerhard,Feustel, Michael

, p. 289 - 290 (2007/10/02)

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