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74725-76-1

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74725-76-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74725-76-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,7,2 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74725-76:
(7*7)+(6*4)+(5*7)+(4*2)+(3*5)+(2*7)+(1*6)=151
151 % 10 = 1
So 74725-76-1 is a valid CAS Registry Number.
InChI:InChI=1/C7H9I/c8-7-4-1-5(7)3-6(7)2-4/h4-6H,1-3H2

74725-76-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 6-Iodotricyclo[3.1.1.03,6]heptane

1.2 Other means of identification

Product number -
Other names 6-Iodonorcubane

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:74725-76-1 SDS

74725-76-1Downstream Products

74725-76-1Relevant articles and documents

Toward an understanding of the cubyl and related caged carbocations

Della,Head,Janowski,Schiesser

, p. 7876 - 7882 (2007/10/02)

The product ratios observed upon fluorodeiodination of a series of caged cyclobutane-containing iodides are explained on the basis of the relative energies of the intermediate cations involved. The relative energies of these cations have been evaluated by ab initio calculations with the inclusion of electron correlation (MP2/6-31G*//RHF/3-21G;MP2/6-31G**), the results of which lend support to the view that hyperconjugative involvement of the cationic center with the α,β and β, γ C-C bonds in each cyclobutyl moiety is the critical factor responsible for the stability of the cation in each case. The degree of stabilization of the cations is a reflection of the number and relative importance of several resonance contributors (corresponding to the involvement of the carbon σ-framework) to their overall structure and is strongly dependent on the geometry of the rigid carbon framework in each case.

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