Cas 78933-19-4,3-Methoxy-2-styrylchromone

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Check Digit Verification of cas no

The CAS Registry Mumber 78933-19-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,9,3 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78933-19:
(7*7)+(6*8)+(5*9)+(4*3)+(3*3)+(2*1)+(1*9)=174
174 % 10 = 4
So 78933-19-4 is a valid CAS Registry Number.

78933-19-4Upstream product

41420-57-9 (2E,4E)-1-(2-hydroxyphenyl)-5-phenylpenta-2,4-dien-1-one

78933-19-4Downstream Products

78933-19-4Relevant articles and documents

Synthesis of Some 3-Methoxyflavones and Chromones

Dhoubhadel, S. P.,Tuladhar, Sudersan M.,Tuladhar, Sarbajna M.,Wagley, Pradyumna P.

, p. 511 - 512 (2007/10/02)

3-Methoxy-3',4'-methylenedioxyflavone (I), 3,4'-dimethoxyflavone (II), 3,3',4'-trimethoxyflavone (III), 3-methoxy-4'-chloroflavone (IV), 3-methoxy-2-(2-furyl)chromone (V) and 3-methoxy-2-styrylchromone (VI) have been synthesised by methylation of the corresponding 3-hydroxy compounds.

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78933-19-4