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200956-54-3

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200956-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 200956-54-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,9,5 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 200956-54:
(8*2)+(7*0)+(6*0)+(5*9)+(4*5)+(3*6)+(2*5)+(1*4)=113
113 % 10 = 3
So 200956-54-3 is a valid CAS Registry Number.

200956-54-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-bromo-1-isopropoxy-4-trifluoromethylbenzene

1.2 Other means of identification

Product number -
Other names -

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:200956-54-3 SDS

200956-54-3Downstream Products

200956-54-3Relevant articles and documents

Ruthenium olefin metathesis catalysts with modified styrene ethers: Influence of steric and electronic effects

Zaja, Mirko,Connon, Stephen J.,Dunne, Aideen M.,Rivard, Michael,Buschmann, Nicole,Jiricek, Jan,Blechert, Siegfried

, p. 6545 - 6558 (2007/10/03)

A series of olefin metathesis catalysts with modified isopropoxybenzylidene ligands were synthesised, and the effects of ligands on the rate of metathesis investigated. Increased steric hinderance ortho to the isopropoxy group enhanced reaction rates. In the case of N-heterocyclic carbene complexes, decreasing electron density at both the chelating oxygen atom and the Ru=C bond accelerated reaction rates appreciably. Catalysts containing a tricyclohexylphosphane ligand, followed the same trend with regard to benzylidene electrophilicity, while higher electron density at oxygen enhanced reaction rates.

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