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117890-58-1

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117890-58-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117890-58-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,8,9 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 117890-58:
(8*1)+(7*1)+(6*7)+(5*8)+(4*9)+(3*0)+(2*5)+(1*8)=151
151 % 10 = 1
So 117890-58-1 is a valid CAS Registry Number.

117890-58-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-(Bromomethyl)-1-chloro-2-methylbenzene

1.2 Other means of identification

Product number -
Other names 4-chloro-3-methylbenzyl bromide

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:117890-58-1 SDS

117890-58-1Relevant articles and documents

Steric effects of the initiator substituent position on the externally initiated polymerization of 2-bromo-5-iodo-3-hexylthiophene

Doubina, Natalia,Paniagua, Sergio A.,Soldatova, Alexandra V.,Jen, Alex K. Y.,Marder, Seth R.,Luscombe, Christine K.

experimental part, p. 512 - 520 (2012/01/12)

Externally initiated polymerization of 2-bromo-3-hexyl-5-iodothiophene was attempted from four aryl and thiophene based small molecule initiators functionalized with a phosphonate moiety. Initiated poly(3-hexylthiophene) product was obtained in various yields depending on the nature of the initiating molecule. Reaction intermediates for the oxidative addition and the ligand exchange steps were analyzed utilizing both experimental and theoretical methods. It was observed that an ortho substituent plays a crucial role in the outcome of the polymerization mechanism and that aryl based initiators are generally more stable than thiophene based initiators. Density functional theory (DFT) calculations revealed the importance of the steric effects on the success of the externally initiated chain growth polymerization mechanism.

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