4-(Quinoxalin-2-yl)butanoic acid CAS 28742-99-6
| CAS No. | 28742-99-6 |
| Molecular Formula | C12H12N2O2 |
| Molecular Weight | 216.24 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.
4-(Quinoxalin-2-yl)butanoic acid (CAS 28742-99-6), molecular formula C12H12N2O2 and molecular weight 216.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(Quinoxalin-2-yl)butanoic acid (C12H12N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 216.24 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 4-(Quinoxalin-2-yl)butanoic acid 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 | C12H12N2O2 |
| Molecular Weight | 216.24 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 2 |
Related Quinoxalin Standards
- Ethyl 2-(quinoxalin-6-yl)acetate (CAS 473895-87-3)
- N-(Quinoxalin-6-ylmethyl)butan-1-amine (CAS 488834-74-8)
- N-(Quinoxalin-6-yl)butyramide (CAS 941282-02-6)
- 1-(Methyl(quinoxalin-2-yl)amino)propan-2-ol (CAS 1248227-09-9)
- 3-(Quinoxalin-2-yl)aniline (CAS 432004-76-7)
- 0099AF 4-Quinoxalin-2-yl-phenylamine 81622-74-4 C14H11N3 (CAS 81622-74-4)
- 1-(Quinoxalin-2-yl)-1H-pyrazol-4-amine (CAS 1249727-22-7)
- 5-(Quinoxalin-6-yl)-1H-pyrazol-3-amine (CAS 1346850-80-3)
Recommended Standards
- 4-(Morpholine-4-carbonyl)benzonitrile (CAS 87294-97-1)
- 4,4'-Diamino-[1,1'-biphenyl]-2,2'-diol (CAS 70894-13-2)
- 4-(Dimethylamino)quinoline-3-carboxylic acid (CAS 933694-11-2)
- 4,4'-Diamino-[1,1'-biphenyl]-2,3-diol (CAS 50984-69-5)
- 7-Methoxy-2-(3-methoxyphenyl)-8-methylquinazolin-4(3H)-one (CAS 922520-30-7)
- 1-((2-Bromo-5-chlorobenzyl)amino)propan-2-ol (CAS 1494550-37-6)
- 5-Bromo-3,3-dimethyl-1H,2H,3H-pyrrolo[3,2-b]pyridin-2-one (CAS 1649454-38-5)
- 2,2-dimethyl-3-(methylsulfanyl)propan-1-ol (CAS 1820711-71-4)
- 1-Phenyl-2-(tributylstannyl)ethanone (CAS 17851-99-9)
- 5,5-Difluoro-1-methyl-1H-pyrrol-2(5H)-one (CAS 363152-96-9)
- [10-(1-Dibenzofuranyl)-9-anthracenyl]diphenylphosphine (CAS 1449401-79-9)
- 6-(Difluoromethyl)-3-iodo-4-(trifluoromethyl)pyridin-2-amine (CAS 1805960-00-2)
- 2-(2-Methylbenzylidene)malononitrile (CAS 2698-44-4)
- (Ser(PO3H2)202,Thr(PO3H2)205)-Tau Peptide (194-213) trifluoroacetate salt (CAS 2022956-55-2)
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