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33840-74-3

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33840-74-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33840-74-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,8,4 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 33840-74:
(7*3)+(6*3)+(5*8)+(4*4)+(3*0)+(2*7)+(1*4)=113
113 % 10 = 3
So 33840-74-3 is a valid CAS Registry Number.

33840-74-3SDS

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 1-(benzenesulfinyl)propan-2-one

1.2 Other means of identification

Product number -
Other names 1-Phenylsulfinyl-2-propanon

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:33840-74-3 SDS

33840-74-3Relevant articles and documents

A mild and chemoselective CALB biocatalysed synthesis of sulfoxides exploiting the dual role of AcOEt as solvent and reagent

Anselmi, Silvia,Liu, Siyu,Kim, Seong-Heun,Barry, Sarah M.,Moody, Thomas S.,Castagnolo, Daniele

, p. 156 - 161 (2021/01/14)

A mild, chemoselective and sustainable biocatalysed synthesis of sulfoxides has been developed exploiting CALB and using AcOEt with a dual role of more environmentally friendly reaction solvent and enzyme substrate. A series of sulfoxides, including the drug omeprazole, have been synthesised in high yields and with excellent E-factors.

A route to benzylic arylsulfoxides from β-ketosulfoxides

Chang, Meng-Yang,Cheng, Yu-Chieh,Chan, Chieh-Kai

, p. 4068 - 4075 (2016/07/06)

The K2CO3-mediated benzylation of β-ketosulfoxides 4 with 2.0?equiv of benzylic halides 5 affords benzylic arylsulfoxides 6 in moderate yields along with trace amounts of chalcones 7. The products 6 are assumed to form in situ intermediates of sulfenate anions from β-ketosulfoxides which are commonly involved in carbon–sulfur bond formation. A plausible mechanism has been proposed.

Anodic oxidation of chiral sulfinylamines: A new route to highly diastereoselective α-alkylation of piperidine

Turcaud, Serge,Martens, Thierry,Sierecki, Emma,Pérard-Viret, Jo?lle,Royer, Jacques

, p. 5131 - 5134 (2007/10/03)

The anodic oxidation of some chiral non-racemic N-arylsulfinyl piperidines was investigated and for the first time α methoxylated sulfinyl piperidines were obtained. The so-formed compounds are equivalent of chiral N-sulfinyliminiums and used as new inter

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