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34498-25-4

34498-25-4

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34498-25-4 Usage

Chemical Properties

White Solid

Uses

Intermediate in the preparation of unsaturated fatty acids.

Check Digit Verification of cas no

The CAS Registry Mumber 34498-25-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,4,9 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 34498-25:
(7*3)+(6*4)+(5*4)+(4*9)+(3*8)+(2*2)+(1*5)=134
134 % 10 = 4
So 34498-25-4 is a valid CAS Registry Number.

34498-25-4SDS

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 1-bromoundeca-2,5,8-triyne

1.2 Other means of identification

Product number -
Other names 1-bromo-undeca-2,5,8-triyne

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:34498-25-4 SDS

34498-25-4Relevant articles and documents

Synthesis of Rare Polyunsaturated Fatty Acids: Stearidonic and ω-3 Arachidonic

Golovanov,Ivanov,Groza,Myagkova

, p. 1038 - 1041 (2016/02/18)

Total chemical syntheses of the rare natural ω-3 C18 and C20 fatty acids, which possess potential antiinflammatory activity, were elaborated for subsequent studies of their biological activity.

A Novel Synthesis of (5Z,8Z,11Z,14Z,17Z)-5,8,11,14,17-Eicosapentaenoic Acid and Its Acetylenic Precursor

Ivanov, I. V.,Groza, N. V.,Myagkova, G. I.

, p. 819 - 822 (2007/10/03)

A novel procedure of synthesis of (5Z,8Z,11Z,14Z,17Z)-5,8,11,14,17-eicosapentaenoic (timnodonic) acid and its acetylenic precursor, 5,8,11,14,17-eicosapentaynoic acid was developed.It uses polyacetylene strategy and a known reaction of cross-coupling between propargyl units and ω-acetylenes in the presence of copper(I) and sodium iodides and involves the in situ formation of organocopper compounds and propargyl iodides. - Key words: (5Z,8Z,11Z,14Z,17Z)-5,8,11,14,17-eicosapentaenoic acid; 5,8,11,14,17-eicosapentaynoic acid; polyacetylenic alcohols; cross-coupling

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