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2H-Indol-2-one, 5-bromo-1,3-dihydro-1-methyl-3-(2-oxo-5-phenyl-3(2H)-furanylidene)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

94493-43-3

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94493-43-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94493-43-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,4,9 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 94493-43:
(7*9)+(6*4)+(5*4)+(4*9)+(3*3)+(2*4)+(1*3)=163
163 % 10 = 3
So 94493-43-3 is a valid CAS Registry Number.

94493-43-3Downstream Products

94493-43-3Relevant academic research and scientific papers

SPECTROSCOPIC PROPERTIES OF VIOLACEIN AND RELATED COMPOUNDS: CRYSTAL STRUCTURE OF TETRAMETHYLVIOLACEIN

Laatsch, Hartmut,Thomson, Ronald H.,Cox, Philip J.

, p. 1331 - 1340 (2007/10/02)

Violacein and deoxyviolacein have been isolated from cultures of Alteromonas Luteoviolacea.The violacein-type lactams (1) and lactones (3) have a merocyanine chromophore which was confirmed by the effects of substituents on the visible spectra and by HMO calculations.Using parameters derived from an X-ray crystal structure analysis of tetramethylviolacein, PPP calculations of the electronic spectra of violacein and isoviolacein derivatives showed good agreement with observed values.

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