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Thieno[2,3-b]quinoline is a heterocyclic compound characterized by a fused ring structure consisting of a thiophene and a quinoline. Thiophene is a five-membered ring with one sulfur atom, while quinoline is a tricyclic system with a benzene ring fused to a pyridine ring. The fusion of these two rings at positions 2 and 3 of the thiophene creates a unique molecular structure. Thieno[2,3-b]quinoline is of interest in organic chemistry and medicinal chemistry due to its potential applications in the development of pharmaceuticals and other chemical products. The specific properties and reactivity of thieno[2,3-b]quinoline can vary depending on the substituents attached to the ring, making it a versatile building block for the synthesis of more complex molecules.

268-97-3

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268-97-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 268-97-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,6 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 268-97:
(5*2)+(4*6)+(3*8)+(2*9)+(1*7)=83
83 % 10 = 3
So 268-97-3 is a valid CAS Registry Number.

268-97-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name thieno[2,3-b]quinoline

1.2 Other means of identification

Product number -
Other names Thieno <2,3-b>chinolin

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:268-97-3 SDS

268-97-3Downstream Products

268-97-3Relevant academic research and scientific papers

Na2S-mediated synthesis of terminal alkynes from: Gem -dibromoalkenes

Singh, Radhey M.,Nandini, Durgesh,Bharadwaj, Kishor Chandra,Gupta, Tanu,Singh, Raj Pal

, p. 9979 - 9982 (2017)

The Na2S-mediated facile synthesis of terminal alkynes from gem-dibromoalkenes, at 20/40 °C under open flask conditions has been developed. Various precursors derived from heteroaromatic/aromatic/aliphatic aldehydes were found compatible. The reaction is proposed to proceed through the Fritsch-Buttenberg-Wiechell (FBW) rearrangement involving the corresponding vinyl carbene. Using mild reaction conditions with inexpensive Na2S·9H2O under air atmosphere has significant advantages over earlier routes.

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