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2H-Pyran-3(6H)-one, 4-chloro-6-methoxy- is a chemical compound with the molecular formula C6H7ClO3. It is a derivative of 2H-pyran-3(6H)-one, featuring a 4-chloro and 6-methoxy substitution pattern. 2H-Pyran-3(6H)-one, 4-chloro-6-methoxy- is characterized by a pyran ring structure, which is a six-membered oxygen-containing heterocycle. The 4-chloro group introduces a chlorine atom at the 4th position, while the 6-methoxy group attaches a methoxy (-OCH3) moiety at the 6th position. This specific arrangement of functional groups may influence the compound's reactivity, solubility, and potential applications in various chemical or pharmaceutical contexts.

126641-76-7

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126641-76-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126641-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,6,4 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 126641-76:
(8*1)+(7*2)+(6*6)+(5*6)+(4*4)+(3*1)+(2*7)+(1*6)=127
127 % 10 = 7
So 126641-76-7 is a valid CAS Registry Number.

126641-76-7SDS

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-chloro-6-methoxy-2H-pyran-3(6H)-one

1.2 Other means of identification

Product number -
Other names 4-chloro-6-methoxy-6H-pyran-3-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:126641-76-7 SDS

126641-76-7Downstream Products

126641-76-7Relevant academic research and scientific papers

A RING CONTRACTION OF 6-ALKOXY-2,3-DIHYDRO-6H-PYRAN-3-ONES TO POLYFUNCTIONALIZED CYCOPENTENONES

Kolb, Hartmuth C,Hoffmann, Martin R.

, p. 5127 - 5144 (2007/10/02)

The rearrangement of 6-alkoxy-2,3-dihydro-6H-pyran-3-ones (1) to trans-4-alkoxy-5-hydroxy-2-cyclopenten-1-ones (2) has been optimized.The effect of buffer concentration (PhCO2H/KOAc) on reaction rate and yield suggests specific acid catalysis.Substitution patterns and influence of the 6-alkoxy substituent have been investigated.Applications in natural product synthesis are described.

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