Cas 139366-55-5,2-(6,7-Dihydro-1,3,4,9-tetrathia-5,8-diselena-cyclopenta[b]naphthalen-2-ylidene)-5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dioxine

139366-55-5

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Product Name: 2-(6,7-Dihydro-1,3,4,9-tetrathia-5,8-diselena-cyclopenta[b]naphthalen-2-ylidene)-5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dioxine
Synonyms:
CAS NO:139366-55-5
Molecular Formula:
Molecular Weight: 534.51
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: 2-(6,7-Dihydro-1,3,4,9-tetrathia-5,8-diselena-cyclopenta[b]naphthalen-2-ylidene)-5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dioxine(CAS DataBase Reference)
NIST Chemistry Reference: 2-(6,7-Dihydro-1,3,4,9-tetrathia-5,8-diselena-cyclopenta[b]naphthalen-2-ylidene)-5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dioxine(139366-55-5)
EPA Substance Registry System: 2-(6,7-Dihydro-1,3,4,9-tetrathia-5,8-diselena-cyclopenta[b]naphthalen-2-ylidene)-5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dioxine(139366-55-5)

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: 139366-55-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 139366-55-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,3,6 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139366-55:
(8*1)+(7*3)+(6*9)+(5*3)+(4*6)+(3*6)+(2*5)+(1*5)=155
155 % 10 = 5
So 139366-55-5 is a valid CAS Registry Number.

139366-55-5Upstream product

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139366-55-5Relevant academic research and scientific papers

5,6-Ethylenediseleno-1,3-dithiolo-dithiin-2-thione as Starting Material for the Preparation of New Tetrathiafulvalenes

Papavassiliou, G. C.,Lagouvardos, D. J.,Kakoussis, V. C.

, p. 1730 - 1732 (2007/10/02)

Tetrathiafulvalenes, ?-Donors, Organic ConductorsStarting from 1,3-dithiolodithiin-2-thione, the title thione was prepared by a fourstep sequence (lithiation with lithium diisopropylamide, addition of Se, treatment with ZnCl2 in the presence of n-Bu4NBr, and alkylation with 1,2-dibromoethane).Self-coupling as well as cross-coupling with similar compounds via triethyl phosphite afforded new tetrathiafulvalenes, precursors of conducting salts.

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