Cas 163271-52-1,Dibenz<a,h>anthracene-5,6,12,13-tetracarboxylic 5,6:12,13-dianhydride

163271-52-1

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Basic information

Product Name: Dibenzanthracene-5,6,12,13-tetracarboxylic 5,6:12,13-dianhydride
Synonyms: Dibenzanthracene-5,6,12,13-tetracarboxylic 5,6:12,13-dianhydride
CAS NO:163271-52-1
Molecular Formula:
Molecular Weight: 418.362
EINECS: N/A
Product Categories: N/A

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: Dibenzanthracene-5,6,12,13-tetracarboxylic 5,6:12,13-dianhydride(CAS DataBase Reference)
NIST Chemistry Reference: Dibenzanthracene-5,6,12,13-tetracarboxylic 5,6:12,13-dianhydride(163271-52-1)
EPA Substance Registry System: Dibenzanthracene-5,6,12,13-tetracarboxylic 5,6:12,13-dianhydride(163271-52-1)

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: 163271-52-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 163271-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,2,7 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 163271-52:
(8*1)+(7*6)+(6*3)+(5*2)+(4*7)+(3*1)+(2*5)+(1*2)=121
121 % 10 = 1
So 163271-52-1 is a valid CAS Registry Number.

163271-52-1Upstream product

104595-14-4 1,4-Phenylene bis(phenylmaleic anhydride)

163271-52-1Downstream Products

163271-52-1Relevant academic research and scientific papers

Reinvestigation of the Photocyclization of 1,4-Phenylene Bis(phenylmaleic anhydride): Preparation and Structure of Helicene 5,6:9,10-Dianhydride

Frimer, Aryeh A.,Kinder, James D.,Youngs, Wiley J.,Meador, Mary Ann B.

, p. 1658 - 1664 (1995)

The I2-catalyzed photooxidative cyclization of 1,4-phenylene bis(phenylmaleic anhydride) yields two products in an overall yield approaching 80percent.Contrary to a previous report, the major product has been identified by X-ray crystallography as

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