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4-Hydroxy-5-methyl-2-thiophenecarboxylic acid ethyl ester is an organic compound with the chemical formula C7H8O3S. It is a derivative of thiophene, a heterocyclic compound consisting of a five-membered ring with one sulfur atom and four carbon atoms. The molecule features a hydroxyl group (-OH) at the 4-position, a methyl group (-CH3) at the 5-position, and a carboxylic acid group (-COOH) at the 2-position. The carboxylic acid group is esterified with an ethyl group (-CH2CH3), forming an ester linkage. 4-Hydroxy-5-methyl-2-thiophenecarboxylic acid ethyl ester is known for its potential applications in the synthesis of pharmaceuticals and agrochemicals, as well as in the production of certain dyes and pigments. Its chemical structure and functional groups contribute to its reactivity and properties, making it a valuable intermediate in organic synthesis.

5556-09-2

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5556-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5556-09-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,5 and 6 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5556-09:
(6*5)+(5*5)+(4*5)+(3*6)+(2*0)+(1*9)=102
102 % 10 = 2
So 5556-09-2 is a valid CAS Registry Number.

5556-09-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-bromo-N-[(E)-(2,3-dimethoxyphenyl)methylideneamino]benzamide

1.2 Other means of identification

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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

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More Details:5556-09-2 SDS

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