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79749-45-4

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79749-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79749-45-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,7,4 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 79749-45:
(7*7)+(6*9)+(5*7)+(4*4)+(3*9)+(2*4)+(1*5)=194
194 % 10 = 4
So 79749-45-4 is a valid CAS Registry Number.

79749-45-4Downstream Products

79749-45-4Relevant articles and documents

CYCLOHEPTATRIENE DIMERS: NEW PRECURSORS OF DIAMANTANE

Turecek, Frantisek,Hanus, Vladimir,Sedmera, Petr,Antopiusova, Helena,Mach, Karel

, p. 1474 - 1485 (2007/10/02)

Dimerization of cycloheptatriene, catalyzed by titanium complexes , afforded pentacyclo3,7.04,14.06,11>tetradeca-8,12-diene (I) (10percent) and pentacyclo2,8.05,14.07,11>tetradeca-3,12-diene (II) (90percent).Structure of both dimers and their derivatives was determined by means of 1H-NMR, 13C-NMR and mass spectra.On heating, the diene II was converted into the more stable isomer I.On hydrogenation and further catalytic isomerisation, both I and II gave diamantane in high yield.

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