Cas 2250-56-8,dimethyl 1,2,3,4-tetrafluorobenzene

2250-56-8

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Basic information

Product Name: dimethyl 1,2,3,4-tetrafluorobenzene
Synonyms:
CAS NO:2250-56-8
Molecular Formula:
Molecular Weight: 178.129
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: dimethyl 1,2,3,4-tetrafluorobenzene(CAS DataBase Reference)
NIST Chemistry Reference: dimethyl 1,2,3,4-tetrafluorobenzene(2250-56-8)
EPA Substance Registry System: dimethyl 1,2,3,4-tetrafluorobenzene(2250-56-8)

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: 2250-56-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2250-56-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,5 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2250-56:
(6*2)+(5*2)+(4*5)+(3*0)+(2*5)+(1*6)=58
58 % 10 = 8
So 2250-56-8 is a valid CAS Registry Number.

2250-56-8Upstream product

2250-56-8Downstream Products

2250-56-8Relevant academic research and scientific papers

Friedel–Crafts Type Methylation with Dimethylhalonium Salts

H?mmerling, Sebastian,Vo?nacker, Patrick,Steinhauer, Simon,Beckers, Helmut,Riedel, Sebastian

, p. 14377 - 14384 (2020/10/12)

The dimethylchloronium salt [Me2Cl][Al(OTeF5)4] is used to methylate electron-deficient aromatic systems in Friedel–Crafts type reactions as shown by the synthesis of N-methylated cations, such as [MeNC5F5]+, [MeNC5F4I]+, and [MeN3C3F3]+. To gain a better understanding of such fundamental Friedel–Crafts reactions, the role of the dimethylchloronium cation has been evaluated by quantum-chemical calculations.

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