2-((2-(4-Bromophenyl)-2-oxoethyl)thio)-3-isobutylquinazolin-4(3H)-one CAS 255865-18-0
| CAS No. | 255865-18-0 |
| Molecular Formula | C20H19BrN2O2S |
| Molecular Weight | 431.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-((2-(4-Bromophenyl)-2-oxoethyl)thio)-3-isobutylquinazolin-4(3H)-one (CAS 255865-18-0) is a high-purity analytical reference standard with the molecular formula C20H19BrN2O2S and a molecular weight of 431.35 g/mol.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution, 2-((2-(4-Bromophenyl)-2-oxoethyl)thio)-3-isobutylquinazolin-4(3H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 431.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 2-((2-(4-Bromophenyl)-2-oxoethyl)thio)-3-isobutylquinazolin-4(3H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H19BrN2O2S |
| Molecular Weight | 431.35 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Bromophenyl Standards
- 1-((4-(4-Bromophenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-3,3-dimethylbutan-2-one (CAS 477329-71-8)
- 1-((4-(4-Bromophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-3,3-dimethylbutan-2-one (CAS 477330-45-3)
- 4-(4-bromophenyl)-2-(3,5-dimethyl-1H-pyrazol-1-yl)-5,6-dihydrobenzo[h]quinazoline (CAS 956965-83-6)
- N-(4-Bromophenyl)-2-((4-(3-cyclopropyl-1,2,4-oxadiazol-5-yl)pyridin-2-yl)thio)acetamide (CAS 1251704-20-7)
- 2-[(3-Bromophenyl)methyl]-4-(5-ethyl-1,2,4-oxadiazol-3-yl)-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidine-1,3-dione (CAS 1775337-53-5)
- 4-(5-(4-Bromophenyl)-3-(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid (CAS 309925-78-8)
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Recommended Standards
- 5-(Methylsulfinyl)-4-(4-(trifluoromethyl)phenyl)-2-(6-(trifluoromethyl)pyridin-3-yl)pyrimidine (CAS 958559-82-5)
- Fotretamine (CAS 37132-72-2)
- 3-(4-Allyl-5-(prop-2-yn-1-ylthio)-4H-1,2,4-triazol-3-yl)-1-(3,4-dichlorobenzyl)pyridin-2(1H)-one (CAS 477853-25-1)
- PSI-352938, >98% (HPLC) (CAS 1231747-17-3)
- 3-Allyl-2H-benzo[e][1,3]thiazine-2,4(3H)-dione (CAS 19084-81-2)
- 1-((2-Cyclobutylthiazol-4-yl)methyl)-3-methylthiourea (CAS 1427022-98-7)
- 3-Bromo-2-methoxyisonicotinonitrile (CAS 1807028-43-8)
- 1,2,6-Triazaspiro[2.5]oct-1-ene hydrochloride (CAS 1803590-98-8)
- (2,6-Dimethylpyridin-4-yl)(phenyl)methanone (CAS 59576-38-4)
- 3-(Prop-2-yn-1-yloxy)tetrahydro-2H-pyran (CAS 144366-09-6)
- Pyrimido[5,4-d]Pyrimidine Impurity 1 (CAS 6713-54-8)
- 1-(2-CHlorophenyl)-N-ethylmethanesulfonamide (CAS 881948-40-9)
- 5-Bromo-3-isopropyl-2-methoxypyridine (CAS 1256811-07-0)
- (Des-Thr7)-Glucagon trifluoroacetate salt (CAS 1802078-28-9)
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