Fenazaquin
IUPAC: 4-[2-(4-tert-butylphenyl)ethoxy]quinazoline
Plain text
Chemfused. (2026). Fenazaquin, CAS 120928-09-8. Retrieved 2026-04-28 from https://chemfused.com/cas/120928-09-8
BibTeX
@misc{chemfused-cas-120928098,
title = {Fenazaquin, CAS 120928-09-8},
author = {Chemfused},
year = {2026},
url = {https://chemfused.com/cas/120928-09-8},
urldate = {2026-04-28}
}
Fenazaquin (CAS 120928-09-8) is a chemical compound with molecular formula C20H22N2O and molecular weight 306.4 g/mol . GHS signal word: Danger. Hazard classifications: Toxic, Health Hazard, Hazardous to the Environment.
What is Fenazaquin?
- Molecular Formula
- C20H22N2O
- Molecular Weight
- 306.40 g/mol
- Melting Point
- 77.5-80 °C
- Density
- 1.16
- Solubility
- In acetone, hexane 33-50, acetone, ethyl acetate 400-500, n-chlorobutane, chloroform, toluene, N-methyl-2-pyrrolidone >500, dichloromethane >600, dimethylformamide 300-400, ethylene glycol <5, isopropanol, methanol 50-100 (all in g/L at 23 °C)
Description
Fenazaquin is a member of quinazolines. It has a role as an acaricide and a mitochondrial NADH:ubiquinone reductase inhibitor.
Structure Identifiers
- SMILES
- CC(C)(C)C1=CC=C(C=C1)CCOC2=NC=NC3=CC=CC=C32
- InChI
- InChI=1S/C20H22N2O/c1-20(2,3)16-10-8-15(9-11-16)12-13-23-19-17-6-4-5-7-18(17)21-14-22-19/h4-11,14H,12-13H2,1-3H3
- InChIKey
- DMYHGDXADUDKCQ-UHFFFAOYSA-N
Properties
Computed
Calculated molecular descriptors used in drug design and computational chemistry.
- Exact Mass
- 306.1732 Da
- XLogP
- 5.70
- TPSA
- 35.0 Ų
- H-Bond Donors
- 0
- H-Bond Acceptors
- 3
- Complexity
- 357
- Formal Charge
- 0
Experimental
Measured physical and chemical properties from experimental literature.
- Color / Form
- Colorless crystals
- Vapor Pressure
- 3.4X10-3 mPa /2.55X10-8 mm Hg/ at 25 °C
- LogP
- log Kow = 5.51 at 20 °C
- Dissociation Constants
- pKa = 2.44
- Decomposition
- When heated to decomposition it emits toxic fumes of /nitrogen oxides/.
Safety information
Signal Word
GHS Pictograms
GHS06
GHS07
GHS09
Hazard Statements
- H301 Toxic if swallowed
Precautionary Statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P270 Do not eat, drink or smoke when using this product
- P271 Use only outdoors or in a well-ventilated area
- P273 Avoid release to the environment
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P321 Specific treatment (see supplemental first aid instructions on this label)
- P330 Rinse mouth
- P391 Collect spillage
- P405 Store locked up
- P501 Dispose of contents/container to an approved waste disposal plant
Synonyms (58)
- Magus
- C18727
- D94877
- DE-436
- EL 436
- EL-436
- Fenaza
- XDE436
- KS-5370
- XDE 436
- GWN 1708
- Magister
- MSK25075
- Q1404580
- 410-580-0
- DB-041590
- HSDB 7948
- HY-117397
- CS-0065863
- DK5Q534WEE
- Fenazachin
- Fenazaquin
- GLXC-21911
- NS00006654
- orb1705896
- 120928-09-8
- CHEBI:38593
- Pride Ultra
- CHEMBL243282
- EC 410-580-0
- MFCD01656049
- SCHEMBL26216
- Tox21_301223
- AKOS015903772
- DTXCID2020476
- DTXSID4040476
- RefChem:140105
- CAS-120928-09-8
- FENAZAQUIN [MI]
- NCGC00255594-01
- SCHEMBL29429249
- UNII-DK5Q534WEE
- Fenazaquin [ISO]
- Fenazaquin 10 microg/mL in Cyclohexane
- 4-(4-(tert-Butyl)phenethoxy)quinazoline
- Fenazaquin 10 microg/mL in Acetonitrile
- Fenazaquin 100 microg/mL in Cyclohexane
- 4-[2-[4-(t-Butyl)phenyl]ethoxy]quinazoline
- 4-tert-Butylphenethylquinazolin-4-yl ether
- 4-(2-(4-tert-butylphenyl)ethoxy)quinazoline
Show 8 more names Show fewer names
- 4-[2-(4-tert-butylphenyl)ethoxy]quinazoline
- 4-tert-butylphenethyl quinazolin-4-yl ether
- Fenazaquin, PESTANAL(R), analytical standard
- 4-(2-(4-(TERT-BUTYL)PHENYL)ETHOXY)QUINAZOLINE
- 4-((4-(1,1-Dimethylethyl)phenyl)ethoxy)quinazoline
- 4-(2-(4-(1,1-Dimethylethyl)phenyl)ethoxy)quinazoline
- Quinazoline, 4-((4-(1,1-dimethylethyl)phenyl)ethoxy)-
- Quinazoline, 4-(2-(4-(1,1-dimethylethyl)phenyl)ethoxy)-
Frequently asked questions
What is the CAS number of Fenazaquin?
The CAS Registry Number for Fenazaquin is 120928-09-8.
What is the IUPAC name of Fenazaquin?
The IUPAC name of Fenazaquin is 4-[2-(4-tert-butylphenyl)ethoxy]quinazoline.
What is the molecular formula of Fenazaquin?
Fenazaquin has the molecular formula C20H22N2O and a molecular weight of 306.4 g/mol.
What is the SMILES notation for Fenazaquin?
The SMILES notation for Fenazaquin is CC(C)(C)C1=CC=C(C=C1)CCOC2=NC=NC3=CC=CC=C32.
What is the melting point of Fenazaquin?
The melting point of Fenazaquin is 77.5-80 °C.
What is the density of Fenazaquin?
The density of Fenazaquin is 1.16.
How soluble is Fenazaquin?
Solubility of Fenazaquin: In acetone, hexane 33-50, acetone, ethyl acetate 400-500, n-chlorobutane, chloroform, toluene, N-methyl-2-pyrrolidone >500, dichloromethane >600, dimethylformamide 300-400, ethylene glycol <5, isopropanol, methanol 50-100 (all in g/L at 23 °C).
Is Fenazaquin hazardous?
Fenazaquin carries the following GHS hazard classifications: Toxic, Health Hazard, Hazardous to the Environment. Signal word: Danger.
What are other names for Fenazaquin?
Fenazaquin is also known as 120928-09-8, 4-((4-(1,1-Dimethylethyl)phenyl)ethoxy)quinazoline, 4-(2-(4-(1,1-Dimethylethyl)phenyl)ethoxy)quinazoline, 4-(2-(4-(TERT-BUTYL)PHENYL)ETHOXY)QUINAZOLINE, 4-(2-(4-tert-butylphenyl)ethoxy)quinazoline.
Data sourced from PubChem CID 86356. Last updated .
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