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23438-23-5

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23438-23-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23438-23-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,4,3 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 23438-23:
(7*2)+(6*3)+(5*4)+(4*3)+(3*8)+(2*2)+(1*3)=95
95 % 10 = 5
So 23438-23-5 is a valid CAS Registry Number.

23438-23-5SDS

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 4-hydroxy-4-methylcyclohexa-2,5-dien-1-one

1.2 Other means of identification

Product number -
Other names 4-hydroxy-4-methyl-2,5-cyclohexanedienone

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:23438-23-5 SDS

23438-23-5Relevant articles and documents

Target analysis of α-alkylidene-γ-butyrolactones in uropathogenic E. coli

Kunzmann, Martin H.,Sieber, Stephan A.

, p. 3061 - 3067,7 (2012)

α-Alkylidene-γ-butyrolactones are quite common in nature and exhibit a broad spectrum of biological activities. We therefore synthesized a small library of xanthatine inspired α-alkylidene-γ-butyrolactones to screen non-pathogenic and uropathogenic E. col

Substrate-Selectivity in Catalytic Photooxygenation Processes Using a Quinine-BODIPY System

Coeffard, Vincent,Fischer, Jér?me,Nun, Pierrick,Serier-Brault, Hélène

, p. 463 - 468 (2020)

Substrate selectivity by means of synthetic catalysts remains a challenging topic in chemistry. Here, a catalytic system combining an iodo-BODIPY photosensitizer and quinine was evaluated in the competitive photooxygenation of non-hydrogen and hydrogen-bond-donor substrates. The ability of quinine to activate hydrogen-bond-donor substrates towards photooxygenation was reported and the results were benchmarked with photooxygenation experiments in the absence of quinine.

Reactions of p-Quinols with Aldehydes and Imines: Stereoselective Access to Polyheterobicyclic and Tricyclic Systems

García-García, Carolina,Redondo, María C.,Ribagorda, María,Carre?o, M. Carmen

, p. 7377 - 7388 (2014)

Dihydrobenzo[1,3]dioxolanones, tetrahydrobenzo[d]oxazolones and heterotricyclic derivatives have been stereoselectively synthesized from p-quinols upon reaction with aldehydes or benzaldimines under basic catalysis. Reactions occurred in an experimentally

Redox-neutral functionalization of α-Csp3-H bonds of secondary cyclic amines: a highly atom-economical strategy forN-arylation/formal cross-dehydrogenative couplings

Husen, Saddam,Jha, Priyankar,Kumar, Ravindra

supporting information, p. 2950 - 2955 (2021/05/05)

An efficient redox-neutral method has been developed for α-Csp3-H functionalization of secondary cyclic aminesviaconcurrentN-arylation/formal cross dehydrogenation coupling (CDC) with sp2-C-H and sp3-C-H bonds of arenes an

Phosphine-Catalyzed Cascade Michael Addition/[4+2] Cycloaddition Reaction of Allenoates and 2-Arylidene-1,3-indanediones

Shi, Wangyu,Mao, Biming,Xu, Jiaqing,Wang, Qijun,Wang, Wei,Wu, Yongjun,Li, Xuefeng,Guo, Hongchao

supporting information, p. 2675 - 2680 (2020/03/26)

The phosphine-catalyzed cascade Michael addition/[4+2] cycloaddition reaction of tetrahydrobenzofuranone-derived allenoates and 2-arylidene-1,3-indanediones has been reported, affording spirocyclic 1,3-indanedione derivatives in moderate to high yields wi

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