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4933-14-6

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4933-14-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4933-14-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,3 and 3 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4933-14:
(6*4)+(5*9)+(4*3)+(3*3)+(2*1)+(1*4)=96
96 % 10 = 6
So 4933-14-6 is a valid CAS Registry Number.

4933-14-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name spiro[1H-indole-3,1'-cyclohexane]-2-one

1.2 Other means of identification

Product number -
Other names spiro[cyclohexane-1,3'-indolin]-2'-one

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:4933-14-6 SDS

4933-14-6Relevant articles and documents

Synthesis of 3,3-disubstituted oxindoles

Liu, Kevin G.,Robichaud, Albert J.

, p. 461 - 463 (2007)

A novel and efficient two-step synthetic sequence for the preparation of 3,3-disubstituted oxindoles was developed starting from arylhydrazines and α-branched aldehydes via Fischer indole type synthesis followed by imine oxidation.

Efficient copper-catalyzed intramolecular N-arylation for the synthesis of oxindoles

Jhan, Yu-Huei,Kang, Ting-Wei,Hsieh, Jen-Chieh

, p. 1155 - 1159 (2013/03/13)

An efficient copper-catalyzed intramolecular N-arylation was performed by using substituted 2-(2-bromoaryl)acetamide with a small amount of Cu 2O and benzene-1,2-diamine as catalytic system under aerobic conditions, which provided good to excellent yields of oxindoles with tolerance of a wide variety of substrates.

Copper-catalyzed domino coupling reaction: An efficient method to synthesize oxindoles

Hsieh, Jen-Chieh,Cheng, An-Yi,Fu, Jun-Hao,Kang, Ting-Wei

, p. 6404 - 6409 (2012/09/05)

An efficient and novel procedure for a copper catalyzed domino coupling reaction has been developed, which afforded various oxindoles in good to excellent yields with tolerance of various substituents. In addition, this method could be applied to synthesize horsfiline and coerulescine in few steps with high total yields. The Royal Society of Chemistry 2012.

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