Cas 78311-45-2,(E)-2-(8-Ethyl-1,3-diphenyl-8λ<sup>4</sup>-thia-dibenzo[e,h]azulen-2-yl)-but-2-enedioic acid diethyl ester

78311-45-2

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Basic information

Product Name: (E)-2-(8-Ethyl-1,3-diphenyl-8λ⁴-thia-dibenzo[e,h]azulen-2-yl)-but-2-enedioic acid diethyl ester
Synonyms:
CAS NO:78311-45-2
Molecular Formula:
Molecular Weight: 598.763
EINECS: N/A
Product Categories: N/A
Mol File: 78311-45-2.mol
Article Data: 1

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: (E)-2-(8-Ethyl-1,3-diphenyl-8λ⁴-thia-dibenzo[e,h]azulen-2-yl)-but-2-enedioic acid diethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: (E)-2-(8-Ethyl-1,3-diphenyl-8λ⁴-thia-dibenzo[e,h]azulen-2-yl)-but-2-enedioic acid diethyl ester(78311-45-2)
EPA Substance Registry System: (E)-2-(8-Ethyl-1,3-diphenyl-8λ⁴-thia-dibenzo[e,h]azulen-2-yl)-but-2-enedioic acid diethyl ester(78311-45-2)

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: 78311-45-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 78311-45-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,1 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78311-45:
(7*7)+(6*8)+(5*3)+(4*1)+(3*1)+(2*4)+(1*5)=132
132 % 10 = 2
So 78311-45-2 is a valid CAS Registry Number.

78311-45-2Upstream product

78311-45-2Downstream Products

78311-51-0 (E)-2-(3a-Ethyl-1,3-diphenyl-3aH-8-thia-dibenzo[e,h]azulen-2-yl)-but-2-enedioic acid diethyl ester

78311-45-2Relevant articles and documents

REACTION OF NEW CYCLIC SULFUR YLIDES, 8-THIAAZULENES WITH ELECTROPHILES

Hori, Mikio,Kataoka, Tadashi,Shimizu, Hiroshi,Okitsu, Mitsuhito

, p. 721 - 724 (2007/10/02)

The reactions of 8-alkyl-1,3-diphenyldibenzo-8-thiaazulenes with acetylenic electrophiles yielded the considerably stable ylides.The ylides newly formed were not rearranged on refluxing in THF for 1 h, but caused the intramolecular 1,4-rearrangement

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