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731857-35-5

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731857-35-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 731857-35-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,1,8,5 and 7 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 731857-35:
(8*7)+(7*3)+(6*1)+(5*8)+(4*5)+(3*7)+(2*3)+(1*5)=175
175 % 10 = 5
So 731857-35-5 is a valid CAS Registry Number.

731857-35-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-[2,4-dibromo-5-(2-trimethylsilylethynyl)phenyl]ethynyl-trimethylsilane

1.2 Other means of identification

Product number -
Other names 1,5-dibromo-2,4-bis(trimethylsilylethynyl)benzene

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:731857-35-5 SDS

731857-35-5Relevant articles and documents

Structure-property relationships of donor/acceptor-functionalized tetrakis(phenylethynyl)benzenes and bis(dehydrobenzoannuleno)benzenes

Marsden, Jeremiah A.,Miller, Jeremie J.,Shirtcliff, Laura D.,Haley, Michael M.

, p. 2464 - 2476 (2007/10/03)

A series of tetrakis(phenylethynyl)benzenes and bis(dehydrobenzoannuleno) benzenes have been synthesized containing tetra-substitutions of neutral, donor, and mixed donor/acceptor groups. To ascertain the importance of substitutional and structural differ

Synthesis and Optical Properties of Donor-Acceptor Tetrakis(phenyl-ethynyl) benzenes

Miller, Jeremie J.,Marsden, Jeremiah A.,Haley, Michael M.

, p. 165 - 168 (2007/10/03)

A simple and efficient synthesis of a series of donor-acceptor substituted 1,2,4,5-tetrakis(phenylethynyl)benzenes is described. The molecules constructed exhibit interesting optical properties. Preliminary studies show that the tetraynes hold promise as

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