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12653-62-2

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12653-62-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 12653-62-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,6,5 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 12653-62:
(7*1)+(6*2)+(5*6)+(4*5)+(3*3)+(2*6)+(1*2)=92
92 % 10 = 2
So 12653-62-2 is a valid CAS Registry Number.

12653-62-2Downstream Products

12653-62-2Relevant articles and documents

Sawhney, S. S.,Kapila, S. D.,Pathak, K. K.,Chandel, Surya K.

, p. 389 - 391 (1982)

Electron spin resonance matrix isolation studies of 27Al16,17O, 69,71Ga16,17O and 115In16,17O: Observed hyperfine interactions compared with ab initio theoretical results

Knight Jr., Lon B.,Kirk, Thomas J.,Herlong, John,Kaup, John G.,Davidson

, p. 7011 - 7019 (2007/10/03)

Electron spin resonance (ESR) studies are reported for Al16,17O, Ga16,17O, and In16,17O isolated in neon matrices at 4 K. Except for Al16O, no previous ESR measurements have been reported for these X 2Σ diatomic radicals. The pulsed laser vaporization of the metals in the presence of 16O2 and 17O2 produced high quality ESR spectra of these metal oxide radicals whose nuclear hyperfine interactions (A tensors) were fully resolved for both the metal and oxygen nuclei. An analysis of the experimental spin densities in combination with different types of theoretical calculations provided detailed information concerning the electronic structure trends going down this metal oxide group. Increased p-orbital spin density on oxygen was observed for the heavier metal oxide radicals. Nonrelativistic ab initio calculations with an extended basis set and the UB3LYP method reproduced the trends in the isotropic and dipolar hyperfine interactions. All-electron CI calculations, restricted open-shell Hartree-Fock (ROHF) wave functions, and unrestricted Hartree-Fock wave functions gave results very different from experiment and from each other for the isotropic interaction. All calculations were in fair agreement with each other for the dipolar interaction and provided an assignment of the sign for that term.

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