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31107-05-8

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31107-05-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31107-05-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,1,0 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 31107-05:
(7*3)+(6*1)+(5*1)+(4*0)+(3*7)+(2*0)+(1*5)=58
58 % 10 = 8
So 31107-05-8 is a valid CAS Registry Number.

31107-05-8Relevant articles and documents

MECHANISM OF THE FISCHER INDOLE SYNTHESIS. QUANTUM-CHEMICAL INTERPRETATION OF THE REARRANGEMENT OF SUBSTITUTED CYCLOHEXANONE ARYLHYDRAZONES TO TETRAHYDROCARBAZOLES

Visotskii, Yu. B.,Przheval'skii, N. M.,Zemskii, B. P.,Grandberg, I. I.,Kostromina, L. Yu.

, p. 713 - 722 (2007/10/02)

Calculations of a number of model structures within the scheme of Fischer indole synthesis were made on the basis of a bonding variant of perturbation theory in the self-consistent-field (SCF) MO LCAO method.A quantum-chemical interpretation of the effect of substituents on the course of the thermal process is given.The kinetics of the thermal and acid-catalyzed indolization of substituted cyclohexanone arylhydrazones to tetrahydrocarbazoles were studied by spectrophotometry.It was shown that the experimental data are in satisfactory agreement with the calculated values. It was concluded that a concerted mechanism ( a -sigma-tropic shift) for the step involving the formation of a carbon-carbon bond in the Fischer reaction is preferred.

Evaporator system comprising a stabilized pesticidal phosphoric acid ester and method for stabilizing such ester enclosed in an evaporator

-

, (2008/06/13)

An evaporator system adapted for emitting insect killing vapors of an insecticide therefrom and comprising a liquid or solid composition enclosed therein, said insecticide consisting in at least one volatile phosphoric acid ester which is stabilized by at least one diazene compound.

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