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2-(4-Methoxy-phenoxy)-4-oxo-4H-chromene-3-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

78899-55-5

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78899-55-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78899-55-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,8,9 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78899-55:
(7*7)+(6*8)+(5*8)+(4*9)+(3*9)+(2*5)+(1*5)=215
215 % 10 = 5
So 78899-55-5 is a valid CAS Registry Number.

78899-55-5Relevant academic research and scientific papers

Synthesis of Demethoxycapillarisin, a Naturally Occurring 2-Phenoxychromone, and Related Compounds

Takeno, Hidekazu,Hashimoto, Masashi,Koma, Yoshiyasu,Horiai, Haruo,Kikuchi, Hiroyuki

, p. 474 - 475 (2007/10/02)

Demethoxycapillarisin (1), a naturally occurring 2-phenoxychromone, and the related compounds (2) - (4) have been synthesized via a route involving, as a key step, an intramolecular Wittig reaction between a phosphorus ylide and a carbonate.

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