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79340-56-0

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79340-56-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79340-56-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,3,4 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 79340-56:
(7*7)+(6*9)+(5*3)+(4*4)+(3*0)+(2*5)+(1*6)=150
150 % 10 = 0
So 79340-56-0 is a valid CAS Registry Number.

79340-56-0Downstream Products

79340-56-0Relevant articles and documents

Intermolecular Migration of Silyl Groups in (Trimethylsiloxy)enones

Reetz, Manfred T.,Neumeier, Guenther

, p. 1234 - 1243 (2007/10/02)

Crossover experiments prove that the silyl groups in quadratic acid bis(trimethylsilyl ester) (1) undergo rapid intermolecular migrations.This causes the two 13C-NMR signals of the fourmembered ring, which appear at 35 deg C as singlets, to coalesce at 83 deg C and to reappear as a single signal above 170 deg C.The activation energy amounts to 16.9 kcal/mol.Other bis(silylated) ketoenols 2,3,4, and 5 show no dynamic effects; nevertheless, they rearrange intermolecularly.

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