Cas 189757-79-7,1,2-Benzenedicarbonitrile, 4,4'-[[1,1'-binaphthalene]-2,2'-diylbis(oxy)]bis-

189757-79-7

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Basic information

Product Name: 1,2-Benzenedicarbonitrile, 4,4'-[[1,1'-binaphthalene]-2,2'-diylbis(oxy)]bis-
Synonyms:
CAS NO:189757-79-7
Molecular Formula: C36H18N4O2
Molecular Weight: 538.565
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: 1,2-Benzenedicarbonitrile, 4,4'-[[1,1'-binaphthalene]-2,2'-diylbis(oxy)]bis-(CAS DataBase Reference)
NIST Chemistry Reference: 1,2-Benzenedicarbonitrile, 4,4'-[[1,1'-binaphthalene]-2,2'-diylbis(oxy)]bis-(189757-79-7)
EPA Substance Registry System: 1,2-Benzenedicarbonitrile, 4,4'-[[1,1'-binaphthalene]-2,2'-diylbis(oxy)]bis-(189757-79-7)

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: 189757-79-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 189757-79-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,7,5 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 189757-79:
(8*1)+(7*8)+(6*9)+(5*7)+(4*5)+(3*7)+(2*7)+(1*9)=217
217 % 10 = 7
So 189757-79-7 is a valid CAS Registry Number.

189757-79-7Upstream product

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189757-79-7Relevant academic research and scientific papers

Synthesis of bulky bis(ether anhydride)s and poly(ether imide)s with bulky mainchain units

Eastmond, Geoffrey C.,Paprotny, Jerzy

, p. 589 - 592 (2007/10/03)

A series of bis(ether anhydride)s has been synthesized from very bulky bisphenols. Poly(ether imide)s have been synthesized from these bis(ether anhydride)s and two diamines in order to provide a series of poly(ether imide)s with bulky main-chain units. T

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