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632-15-5

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632-15-5 Usage

Uses

3,4-Dimethylthiophene is used in dry onion preparation for seasoning.

Synthesis Reference(s)

The Journal of Organic Chemistry, 27, p. 869, 1962 DOI: 10.1021/jo01050a043

Check Digit Verification of cas no

The CAS Registry Mumber 632-15-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,3 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 632-15:
(5*6)+(4*3)+(3*2)+(2*1)+(1*5)=55
55 % 10 = 5
So 632-15-5 is a valid CAS Registry Number.
InChI:InChI=1/C6H8S/c1-5-3-7-4-6(5)2/h3-4H,1-2H3

632-15-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name 3,4-Dimethylthiophene

1.2 Other means of identification

Product number -
Other names Thiophene, 3,4-dimethyl-

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:632-15-5 SDS

632-15-5Relevant articles and documents

Catalytic Synthesis of Methylthiophenes

Mashkina,Khairulina

, p. 1794 - 1797 (2019/03/26)

The gas-phase reaction of dimethyl disulfide with thiophene over Co/HZSM-5 catalyst in a helium medium under atmospheric pressure at 250–350°C gave a mixture of mono-, di-, tri-, and tetramethylthiophenes with an overall selectivity of 94–96%.

Allium chemistry: Synthesis and sigmatropic rearrangements of alk(en)yl 1-propenyl disulfide S-oxides from cut onion and garlic

Block,Bayer,Naganathan,Zhao Shu-Hai

, p. 2799 - 2810 (2007/10/03)

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Reactions of Thiophene and Alkylthiophenes in Glow Discharge

Skramstad, Jan,Chaudhry, Mohammed Shoaib,Garvang, Arne

, p. 509 - 512 (2007/10/02)

The glow discharge reaction of thiophene is shown to produce thioketene and carbon monosulfide along with other gaseous products.The dominant liquid product is ethynylthiophene.Methylthiophenes and especially dimethylthiophenes produce benzene as one of the major liquid products.

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