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2H-Furo(2,3-h)-1-benzopyran-2-one, 9-methyl-, also known as 9-Methyl-2H-furo(2,3-h)chromen-2-one, is a chemical compound with the molecular formula C12H8O3. It belongs to the class of organic compounds known as benzopyranones, which are derivatives of benzopyran with a carbonyl group attached to the 2-position. This specific compound features a methyl group at the 9-position, which is a structural modification that can influence its chemical properties and potential applications. It is a white crystalline solid and is often used in the synthesis of various pharmaceuticals and natural products due to its unique structure and reactivity.

78982-40-8

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78982-40-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78982-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,9,8 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78982-40:
(7*7)+(6*8)+(5*9)+(4*8)+(3*2)+(2*4)+(1*0)=188
188 % 10 = 8
So 78982-40-8 is a valid CAS Registry Number.
InChI:InChI=1/C12H8O3/c1-7-6-14-9-4-2-8-3-5-10(13)15-12(8)11(7)9/h2-6H,1H3

78982-40-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 4'-methylangelicin

1.2 Other means of identification

Product number -
Other names 9-methyl-furo[2,3-h]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:78982-40-8 SDS

78982-40-8Downstream Products

78982-40-8Relevant academic research and scientific papers

4'-Methylangelicins: New potential agents for the photochemotherapy of psoriasis

Dall'Acqua,Vedaldi,Bordin,Baccichetti,Carlassare,Tamaro,Rodighiero,Pastorini,Guiotto,Recchia,Cristofolini

, p. 870 - 876 (2007/10/02)

Three derivatives of angelicin (1) [4'-methyl-, 4,4'-dimethyl-, and 4',5-dimethylangelicin (2a-c)] have been prepared with the aim of obtaining new agents for the photochemotherapy of psoriasis. These compounds form a complex in the dark with DNA that shows an affinity for the macromolecule higher than that of the parent angelicin (1). A correlation between their octanol/water partition coefficients and the association constants of the complexes has been observed. Compounds 2a-c photobind to DNA to a much higher extent than 1 and also more effectively than 8-methoxypsoralen (8-MOP), taken as reference compound. When activated with UV-A, the three compounds strongly inactivate T2 phage and inhibit epidermal DNA synthesis in mice. Moreover, they show a mutagenic activity markedly lower than that of 8-methoxypsoralen on Escherichia coli wild-type strain. Due to its lack of skin phototoxicity, its low mutagenic activity, and its antiproliferative activity, 2c was chosen for clinical evaluation. It proved to be effective in clearing psoriasis in two patients.

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