Cas 143033-31-2,Benzenemethanol, 4-nitro-a-(5,5-dioxido-4H,6H-thieno[3,4-c]furan-4-ylidene)-, 4-nitrobenzoate

143033-31-2

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Basic information

Product Name: Benzenemethanol, 4-nitro-a-(5,5-dioxido-4H,6H-thieno[3,4-c]furan-4-ylidene)-, 4-nitrobenzoate
Synonyms:
CAS NO:143033-31-2
Molecular Formula: C20H12N2O9S
Molecular Weight: 456.389
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: Benzenemethanol, 4-nitro-a-(5,5-dioxido-4H,6H-thieno[3,4-c]furan-4-ylidene)-, 4-nitrobenzoate(CAS DataBase Reference)
NIST Chemistry Reference: Benzenemethanol, 4-nitro-a-(5,5-dioxido-4H,6H-thieno[3,4-c]furan-4-ylidene)-, 4-nitrobenzoate(143033-31-2)
EPA Substance Registry System: Benzenemethanol, 4-nitro-a-(5,5-dioxido-4H,6H-thieno[3,4-c]furan-4-ylidene)-, 4-nitrobenzoate(143033-31-2)

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: 143033-31-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 143033-31-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,0,3 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 143033-31:
(8*1)+(7*4)+(6*3)+(5*0)+(4*3)+(3*3)+(2*3)+(1*1)=82
82 % 10 = 2
So 143033-31-2 is a valid CAS Registry Number.

143033-31-2Upstream product

143033-31-2Downstream Products

143033-31-2Relevant academic research and scientific papers

Novel Formation of Dienes with Greater Steric Congestion resulting from the Diels-Alder Reaction-Desulfonylation Sequence of 4-Acyl-4H,6H-thienofuran 5,5-Dioxides

Ando, Kaori,Hatano, Chiharu,Akadegawa, Naoki,Shigihara, Atsushi,Takayama, Hiroaki

, p. 870 - 873 (2007/10/02)

4-Acyl-4H,6H-thienofuran 5,5-dioxides have been prepared and submitted to Diels-Alder reactions to afford dienes with greater steric congestion after desulfonylation.

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