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2-Bromo-5-ethylthiophene is an organic chemical compound with the molecular formula C6H7BrS. It is a derivative of thiophene, a heterocyclic compound consisting of a five-membered ring with alternating double bonds and one sulfur atom. The molecule features a bromine atom at the 2-position and an ethyl group at the 5-position, which are both substituents attached to the thiophene ring. 2-Bromo-5-ethylthiophene is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. It is typically synthesized through the bromination of 5-ethylthiophene or through the reaction of 2-bromothiophene with ethylmagnesium bromide. 2-Bromo-5-ethylthiophene is a colorless to pale yellow liquid with a pungent odor and is sensitive to light and heat, requiring storage in a cool, dark place.

623-23-4

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623-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 623-23-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,2 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 623-23:
(5*6)+(4*2)+(3*3)+(2*2)+(1*3)=54
54 % 10 = 4
So 623-23-4 is a valid CAS Registry Number.

623-23-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-N,4-N-dimethylbenzene-1,4-diamine,oxalic acid

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:623-23-4 SDS

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