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1H-Indol-5-ol, 1-acetyl-3-[4-(1,2-dihydro-2-oxo-3H-indol-3-ylidene)-4,5-dihydro-5-oxo- 1H-pyrrol-2-yl]-, acetate (ester) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

94493-21-7

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94493-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94493-21-7 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, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 94493-21:
(7*9)+(6*4)+(5*4)+(4*9)+(3*3)+(2*2)+(1*1)=157
157 % 10 = 7
So 94493-21-7 is a valid CAS Registry Number.

94493-21-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name Acetic acid 1-acetyl-3-{5-oxo-4-[2-oxo-1,2-dihydro-indol-(3E)-ylidene]-4,5-dihydro-1H-pyrrol-2-yl}-1H-indol-5-yl ester

1.2 Other means of identification

Product number -
Other names -

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:94493-21-7 SDS

94493-21-7Downstream Products

94493-21-7Relevant 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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