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4H-1-Benzopyran-4-one, 2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-8-methyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

79339-19-8

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79339-19-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79339-19-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,3,3 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 79339-19:
(7*7)+(6*9)+(5*3)+(4*3)+(3*9)+(2*1)+(1*9)=168
168 % 10 = 8
So 79339-19-8 is a valid CAS Registry Number.

79339-19-8Relevant academic research and scientific papers

Synthesis of Desmodol, a Naturally Occurring Pyranoflavone

Islam, Azizul,Krishnamurti, M.

, p. 624 - 625 (2007/10/02)

Desmodol (VI) isolated from the roots and stems of Desmodium caudatum DC has been synthesised. 3-Methylphloroacetophenone on veratroylation affords 2,4,6-triveratroyl-3-methylpholoroacetophenone (II) which is converted in two steps into flavones (III) and (IV).III on demethylation followed by treatment with 2-chloro-2-methyl-but-3-yne affords desmodol (VI), identical with the natural sample.

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