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2H-1-Benzopyran-2-one, 4-(2-propynyloxy)-, also known as 4-(2-propynyloxy)coumarin, is an organic compound with the chemical formula C11H8O3. It is a derivative of coumarin, a heterocyclic organic compound with a benzopyran structure. This specific compound features a propargyloxy group (2-propynyloxy) attached to the 4-position of the coumarin ring. It is a colorless to pale yellow solid and is used as a chemical intermediate in the synthesis of various pharmaceuticals and agrochemicals. The compound is known for its potential applications in the development of anticoagulant drugs and other therapeutic agents.

6431-10-3

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6431-10-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6431-10-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,3 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6431-10:
(6*6)+(5*4)+(4*3)+(3*1)+(2*1)+(1*0)=73
73 % 10 = 3
So 6431-10-3 is a valid CAS Registry Number.

6431-10-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-prop-2-ynoxychromen-2-one

1.2 Other means of identification

Product number -
Other names 4-prop-2-ynyloxy-chromen-2-one

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:6431-10-3 SDS

6431-10-3Relevant academic research and scientific papers

Phase-transfer catalysed alkylation of 4-hydroxycoumarin - Synthesis of α,α-disubstituted o-hydroxyacetophenones

Majumdar,Khan,Chattopadhyay

, p. 483 - 485 (2007/10/02)

Phase-transfer catalysed alkalyation of 4-hydroxycoumarin (1) with active halides give O-alkylated products, 2 (20-60%), C, O-dialkylated products, 3 (15-20%) and α,α-disubstituted-o-hydroxyacetophenones, 5 (20-75%). Only in one case C,C-dialkylated product, 4 (35%) has been obtained.

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