Cas 1539-82-8,2,2-bis-trifluoromethyl-2<i>H</i>-thiopyran

1539-82-8

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Basic information

Product Name: 2,2-bis-trifluoromethyl-2H-thiopyran
Synonyms: 2,2-bis-trifluoromethyl-2H-thiopyran
CAS NO:1539-82-8
Molecular Formula:
Molecular Weight: 234.165
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: 2,2-bis-trifluoromethyl-2H-thiopyran(CAS DataBase Reference)
NIST Chemistry Reference: 2,2-bis-trifluoromethyl-2H-thiopyran(1539-82-8)
EPA Substance Registry System: 2,2-bis-trifluoromethyl-2H-thiopyran(1539-82-8)

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: 1539-82-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1539-82-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,3 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1539-82:
(6*1)+(5*5)+(4*3)+(3*9)+(2*8)+(1*2)=88
88 % 10 = 8
So 1539-82-8 is a valid CAS Registry Number.

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1539-82-8Relevant academic research and scientific papers

Regiochemistry of Diels-Alder reaction of hexafluorothioacetone and dienes

Petrov, Viacheslav A.,Marchione, Alexander A.,Dooley, Rebecca,Marshall, Will

, p. 7 - 13 (2017)

The reaction of 2,2,4,4-tetrakis(trifluoromethyl)-dithiethane-1,3 (1) with various hydrocarbon dienes is not regioselective and results in the formation of two isomeric Diels-Alder cycloadducts with the ortho isomer predominating. The reaction of non-conjugated dienes involves ene-insertion of hexafluorothioacetone (HFTA), followed by Diels-Alder reaction of the product of the ene- reaction with a second mole of HFTA, while the reaction of 1,1,4,4-tetramethylbutadiene-1,3 and 2,5-dimethylhexadiene-1,5 results exclusively in HFTA insertion into the allylic C[sbnd]H bond.

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