Cas 78238-16-1,α,α',4,4'-tetrabromostilbene

78238-16-1

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Basic information

Product Name: α,α',4,4'-tetrabromostilbene
Synonyms: α,α',4,4'-tetrabromostilbene
CAS NO:78238-16-1
Molecular Formula:
Molecular Weight: 495.834
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: α,α',4,4'-tetrabromostilbene(CAS DataBase Reference)
NIST Chemistry Reference: α,α',4,4'-tetrabromostilbene(78238-16-1)
EPA Substance Registry System: α,α',4,4'-tetrabromostilbene(78238-16-1)

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: 78238-16-1(Hazardous Substances Data)

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78238-16-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78238-16-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,2,3 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78238-16:
(7*7)+(6*8)+(5*2)+(4*3)+(3*8)+(2*1)+(1*6)=151
151 % 10 = 1
So 78238-16-1 is a valid CAS Registry Number.

78238-16-1Upstream product

78238-16-1Downstream Products

2789-89-1 1,2-bis(4-bromophenyl)acetylene

78238-16-1Relevant academic research and scientific papers

Palladium(0) complex-catalyzed debrominative coupling of (tribromomethyl)- and (dibromomethyl)benzenes to diarylacetylenes and 1,2-diarylethenes

Mataka,Liu,Tashiro

, p. 133 - 135 (1995)

Palladium(0)-triphenylphosphine complex-catalyzed debrominative coupling reaction of (tribromomethyl)benzenes gave diarylacetylenes or a mixture of (E)- and (Z)-α,β-dibromostilbenes depending upon the substrate and the solvent being used. On the other hand, (dibromomethyl)benzenes afforded (E)-stilbenes selectively under the same reaction conditions.

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