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Methyl 2-chloro-4-methyl-3-oxo-2,3-dihydrothiophene-2-carboxylate is an organic compound belonging to the thiophene family, characterized by a molecular formula of C8H9ClO3S. It features a thiophene ring with a chlorine atom at position 2, a methyl group at position 4, and a carbonyl group at position 3. Methyl 2-chloro-4-methyl-3-oxo-2,3-dihydrothiophene-2-carboxylate serves as a versatile intermediate in the synthesis of pharmaceuticals, agrochemicals, and fine chemicals, and is recognized for its potential in constructing more complex molecules in the realm of organic chemistry.

128775-88-2

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128775-88-2 Usage

Uses

Used in Pharmaceutical Industry:
Methyl 2-chloro-4-methyl-3-oxo-2,3-dihydrothiophene-2-carboxylate is utilized as a key intermediate in the synthesis of various pharmaceuticals. Its unique structure allows for the development of new drugs with specific therapeutic properties, contributing to the advancement of medicinal chemistry.
Used in Agrochemical Industry:
In the agrochemical sector, Methyl 2-chloro-4-methyl-3-oxo-2,3-dihydrothiophene-2-carboxylate is employed as an intermediate for the production of agrochemicals. Its incorporation aids in the creation of effective pesticides and other agricultural products designed to protect crops and enhance yield.
Used in Fine Chemicals Production:
Methyl 2-chloro-4-methyl-3-oxo-2,3-dihydrothiophene-2-carboxylate also finds application in the production of fine chemicals, which are high-purity chemicals used in various industries such as cosmetics, fragrances, and flavorings. Its role as a building block enables the synthesis of complex molecules with specific functionalities and properties.
Used in Organic Chemistry Research:
As a member of the thiophene family, Methyl 2-chloro-4-methyl-3-oxo-2,3-dihydrothiophene-2-carboxylate is used in organic chemistry research for the exploration of new synthetic pathways and the development of innovative chemical reactions. Its unique structural features make it a valuable compound for studying the reactivity and properties of thiophenes and their derivatives.

Check Digit Verification of cas no

The CAS Registry Mumber 128775-88-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,7 and 5 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128775-88:
(8*1)+(7*2)+(6*8)+(5*7)+(4*7)+(3*5)+(2*8)+(1*8)=172
172 % 10 = 2
So 128775-88-2 is a valid CAS Registry Number.

128775-88-2SDS

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 methyl 2-chloro-4-methyl-3-oxo-2,3-dihydrothiophene-2-carboxylate

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 -
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More Details:128775-88-2 SDS

128775-88-2Relevant academic research and scientific papers

Organic compounds and their use as pharmaceuticals

-

, (2008/06/13)

A pharmaceutically-active compound of the formula STR1 in which R1 is C1-4 alkythio, C1-4 alkylsulphinyl or C1-4 alkylsulphonyl, R2 is C1-4 alkyl, R3 is C1-4 alkyl or C2-4 alkenyl, and X is (i) --(CH2)n N(R4)2 where each R4 independently is C1-4 alkyl, C2-4 alkenyl or optionally substituted C6 H5 CH2 --, and n is 1, 2 or 3, or (ii) a 5- to 8-membered alicyclic group containing one or two nitrogen atoms and directly attached to the amido nitrogen or attached by a C1-3 alkylene chain; and salts thereof.

Effects of Substituents on the Chlorination of Methyl 3-Hydroxythiophene-2-carboxylate and on the Reaction of the Resulting Chlorinated Products with Active Hydrogen Containing Compounds

Corral, Carlos,Lissavetzky, Jaime,Manzanares, Ignacio

, p. 315 - 319 (2007/10/02)

The title tandem reactions that produce 5-substituted compounds of methyl 3-hydroxythiophene-2-carboxylate can also be applied with a minor modification to the 4-alkyl and 4-aryl derivatives thereof.On the other hand, 5-alkyl and 5-aryl derivatives that undergo a similar smooth chlorination behave in the second reaction in a different manner.

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