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5-Iodo-2-thiophenecarboxaldehyde is an organic compound with the chemical formula C5H3IOS. 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 an aldehyde functional group (-CHO) at the 2-position and an iodine atom at the 5-position. 5-Iodo-2-thiophenecarboxaldehyde is known for its reactivity and is used as a building block in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. Due to its unique structure, 5-Iodo-2-thiophenecarboxaldehyde can participate in various chemical reactions, such as nucleophilic addition, electrophilic substitution, and condensation reactions, making it a valuable intermediate in organic synthesis.

5377-71-9

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5377-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5377-71-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,3,7 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5377-71:
(6*5)+(5*3)+(4*7)+(3*7)+(2*7)+(1*1)=109
109 % 10 = 9
So 5377-71-9 is a valid CAS Registry Number.

5377-71-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-iodobenzoate

1.2 Other means of identification

Product number -
Other names 4-iodo-benzoic acid, deprotonated form

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:5377-71-9 SDS

5377-71-9Upstream product

5377-71-9Downstream Products

5377-71-9Relevant academic research and scientific papers

Dissociation Constants of Weak Organic Acids in Protic Solvents Obtained from Their First Hyperpolarizabilities in Solution

Ray, Paresh Chandra,Das, Puspendu Kumar

, p. 17891 - 17895 (2007/10/03)

The first hyperpolarizabilities (β) of some weak aromatic organic acids have been measured in protic solvents by the hyper-Rayleigh scattering (HRS) technique at low concentrations.The measured hyperpolarizability (βm) varies between the two extreme limits: the hyperpolarizability of the acid form (βHA) at the lower side and that of the basic form (βA-) at the higher side.The degree of dissociation (α) of the acid in a solvent is related to the measured hyperpolarizability, βm, by the following relationship: βm2 = (1 - α)βHA2 + αβA-2.The calculated β's including solvent effects in terms of an Onsager field do not reproduce the experimentally measured hyperpolarizabilities.Other solvent-induced effects like hydrogen bonding and van der Waals interactions seem to influence the first hyperpolarizability and, thus, indirectly the extent of dissociation of these weak acids in these protic solvents.

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