Cas 329015-20-5,2,5-Cyclohexadiene-1,4-dione, 2,5-dichloro-3-(2,5-dimethyl-1H-indol-3-yl)-

329015-20-5

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Basic information

Product Name: 2,5-Cyclohexadiene-1,4-dione, 2,5-dichloro-3-(2,5-dimethyl-1H-indol-3-yl)-
Synonyms:
CAS NO:329015-20-5
Molecular Formula: C16H11Cl2NO2
Molecular Weight: 320.175
EINECS: N/A
Product Categories: N/A
Mol File: 329015-20-5.mol
Article Data: 4

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 2,5-Cyclohexadiene-1,4-dione, 2,5-dichloro-3-(2,5-dimethyl-1H-indol-3-yl)-(CAS DataBase Reference)
NIST Chemistry Reference: 2,5-Cyclohexadiene-1,4-dione, 2,5-dichloro-3-(2,5-dimethyl-1H-indol-3-yl)-(329015-20-5)
EPA Substance Registry System: 2,5-Cyclohexadiene-1,4-dione, 2,5-dichloro-3-(2,5-dimethyl-1H-indol-3-yl)-(329015-20-5)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 329015-20-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 329015-20-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,9,0,1 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 329015-20:
(8*3)+(7*2)+(6*9)+(5*0)+(4*1)+(3*5)+(2*2)+(1*0)=115
115 % 10 = 5
So 329015-20-5 is a valid CAS Registry Number.

329015-20-5Upstream product

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329015-20-5Relevant articles and documents

"On water"-promoted direct coupling of indoles with 1,4-benzoquinones without catalyst

Zhang, Hai-Bo,Liu, Li,Chen, Yong-Jun,Wang, Dong,Li, Chao-Jun

, p. 869 - 873 (2007/10/03)

A highly efficient direct coupling of indole compounds with 1,4-benzoquinones was developed "on water" in the absence of any catalyst, organic co-solvent, or additives. The "on-water" conditions provided the best yields of the corresponding products and the only system to produce bis(coupling) products. Wiley-VCH Verlag GmbH & Co. KGaA, 2006.

Synthesis of 2,5-dihydroxy-3-(indol-3-yl)benzoquinones by acid-catalyzed condensation of indoles with 2,5-dichlorobenzoquinone

Pirrung, Michael C.,Deng, Liu,Li, Zhitao,Park, Kaapjoo

, p. 8374 - 8388 (2007/10/03)

Three methods for the conjugate addition of indoles to 2,5-dichlorobenzoquinone have been developed. A wide variety of indoles substituted with halogen, alkyl, alkoxy, and aryl groups participate in anaerobic condensation reactions promoted by HCl, H2SO4, or CH3CO2H. The hydroquinone product is partially oxidized by excess dichlorobenzoquinone and fully converted to the 2,5-dichloro-3-(indol-3-yl)benzoquinone targets by DDQ or Ag2CO3 oxidation. 2,5-Dihydroxy- 3-(indol-3-yl)benzoquinones can be obtained from the dichlorides by alkaline hydrolysis. The rotational characteristics of the biaryl bond created in these reactions have been examined by theoretical and spectroscopic methods.

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