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4,8-dimethyl-6-formyl-7-hydroxycoumarin is a chemical compound belonging to the coumarin family, characterized by a benzopyrone structure. It features a hydroxyl group at the 7th position, a formyl group (aldehyde) at the 6th position, and two methyl groups at the 4th and 8th positions. 4,8-dimethyl-6-formyl-7-hydroxycoumarin is known for its potential applications in the synthesis of various pharmaceuticals and natural products, such as anticoagulants and anti-inflammatory agents. Its chemical formula is C12H10O4, and it has a molecular weight of 214.21 g/mol. The compound is typically synthesized through various chemical reactions and can be used as an intermediate in the preparation of more complex molecules. Due to its structural diversity and potential therapeutic applications, 4,8-dimethyl-6-formyl-7-hydroxycoumarin is of interest in the field of organic chemistry and drug development.

6736-54-5

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6736-54-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6736-54-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,3 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6736-54:
(6*6)+(5*7)+(4*3)+(3*6)+(2*5)+(1*4)=115
115 % 10 = 5
So 6736-54-5 is a valid CAS Registry Number.

6736-54-5Downstream Products

6736-54-5Relevant academic research and scientific papers

Vilsmeier-Haack formylation of coumarin derivatives. A solvent dependent kinetic study

Rajanna,Solomon, Florence,Ali, Mir Moazzam,Sai Prakash

, p. 865 - 872 (1996)

A kinetic study of the reaction of coumarin derivatives with Vilsmeier-Haack (VH) reagent (1 : 1 DMF-POCl3) in various solvent media revealed second-order kinetics with a first-order in [Substrate] and first-order in [VH reagent]. The reaction rates altered nonlinearly with an increase in the dielectric constant of the medium and the data did not fit completely well with either Amis or Kirkwood's theories of ion-dipole and dipole-dipole type reactions. On the basis of kinetic and spectroscopic results, participation of VH-adduct and coumarin molecule in the rate limiting step, has been proposed. Kinetic and activation parameters have been evaluated and discussed in terms of isokinetic relationship and as a function of solvent compositions. Linearity of Leffler's and Exner's plots indicate a similar type of mechanism to be operative in different dielectric media at all temperatures.

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