4-[(4-aminophenyl)carbonyl]-1,2,3,4-tetrahydroquinoxalin-2-one CAS 168045-49-6
| CAS No. | 168045-49-6 |
| Molecular Formula | C15H13N3O2 |
| Molecular Weight | 267.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-[(4-aminophenyl)carbonyl]-1,2,3,4-tetrahydroquinoxalin-2-one.
4-[(4-aminophenyl)carbonyl]-1,2,3,4-tetrahydroquinoxalin-2-one (CAS 168045-49-6) is a high-purity analytical reference standard with the molecular formula C15H13N3O2 and a molecular weight of 267.28 g/mol.
4-[(4-aminophenyl)carbonyl]-1,2,3,4-tetrahydroquinoxalin-2-one (C15H13N3O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-[(4-aminophenyl)carbonyl]-1,2,3,4-tetrahydroquinoxalin-2-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H13N3O2 |
| Molecular Weight | 267.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2005 |
| Nitrogen Atoms | 3 |
Related aminophenyl Standards
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- 1-(4-Aminophenyl)-3-(4-ethoxyphenyl)prop-2-en-1-one (CAS 899011-58-6)
- n-(4-Aminophenyl)-2-[bis(2-hydroxyethyl)amino]-n-methylacetamide (CAS 652139-60-1)
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Recommended Standards
- PD 98059, 98% (CAS 167869-21-8)
- Ethyl (3,4-dimethoxybenzoyl)glycinate (CAS 168165-62-6)
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- Methyl (6-aminoacridin-3-yl)carbamate (CAS 170302-05-3)
- 4,4',5,5'-Tetrakis(pentylthio)-2,2'-bi(1,3-dithiolylidene) (CAS 106920-29-0)
- 2-(Pyridin-4-yl)-3-(o-tolyl)quinazoline-4(3H)-thione (CAS 61351-68-6)
- 4-(Cyanomethyl)-3-(difluoromethyl)-5-methoxypicolinonitrile (CAS 1806958-49-5)
- 3-(4-Methyl-5-sulfanyl-4h-1,2,4-triazol-3-yl)-1lambda6-thiolane-1,1-dione (CAS 869464-88-0)
- 5-Bromo-2-hydrazinylpyridine dihydrochloride (CAS 342635-38-5)
- 3-Bromo-2,4-dimethylbenzoic acid (CAS 1255206-85-9)
- Imidazo[1,2-α]pyridin-6-amine (CAS 235106-53-3)
- 2-Bromo-N-(5-chloro-3-(phenylsulfonyl)-1H-indol-2-yl)acetamide (CAS 918494-37-8)
- 3-((4-Chlorobenzyl)amino)benzoic acid (CAS 63759-85-3)
- Bax inhibitor peptide V5 (CAS 579492-81-2)
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