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3-Thiophenethiol, 5-methyl-, also known as 5-Methyl-3-thiophenethiol, is an organic compound characterized by the presence of a thiophene ring and a methyl group. Thiophene is a heterocyclic compound with a five-membered ring containing one sulfur atom and four carbon atoms. In this specific compound, the sulfur atom is located at the third position of the thiophene ring, and a methyl group (-CH3) is attached at the fifth position. This chemical has a molecular formula of C5H6S and a molecular weight of 102.17 g/mol. It is an important building block in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals due to its unique chemical properties and reactivity.

2634-17-5

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2634-17-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2634-17-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,3 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2634-17:
(6*2)+(5*6)+(4*3)+(3*4)+(2*1)+(1*7)=75
75 % 10 = 5
So 2634-17-5 is a valid CAS Registry Number.

2634-17-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-methyl-thiophene-3-thiol

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

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More Details:2634-17-5 SDS

2634-17-5Downstream Products

2634-17-5Relevant academic research and scientific papers

Formation of thiophenethiols by flash vacuum pyrolysis of 1,6,6aλ4-trithiapentalenes

Flammang, Robert,Barbieux-Flammang, Monique,Gerbaux, Pascal,Pedersen, Carl Th.

, p. 1261 - 1264 (2007/10/03)

The thermal behaviour of 1,6,6aλ4-trithiapentalene 3 and some methyl-substituted derivatives 5-7 has been investigated using a combination of flash vacuum pyrolysis (FVP), tandem mass spectrometry (MS-MS) and matrix isolation IR spectroscopy. the main products of the fragmentation (losses of CS and/or CH2=C=S) are shown to be thiophene-3-thiones (or the thiol tautomers) which are also shown to be readily available by direct sulfuration of thiophenes in chemical ionization (CS2 reagent gas) conditions.

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