(R)-1,2,3,4-Tetrahydroquinoxaline-2-carboxylic acid CAS 49849-50-5
| CAS No. | 49849-50-5 |
| Molecular Formula | C9H10N2O2 |
| Molecular Weight | 178.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H10N2O2, (R)-1,2,3,4-Tetrahydroquinoxaline-2-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 178.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
(R)-1,2,3,4-Tetrahydroquinoxaline-2-carboxylic acid (CAS 49849-50-5) is a high-purity analytical reference standard with the molecular formula C9H10N2O2 and a molecular weight of 178.19 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (R)-1,2,3,4-Tetrahydroquinoxaline-2-carboxylic acid 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 | C9H10N2O2 |
| Molecular Weight | 178.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 2 |
Related R Standards
- 1,2,3,4-Tetrahydroquinoxaline-2-carboxylic acid (CAS 49849-51-6)
- 1,2,3,4-Tetrahydroquinoxaline-5-carboxylic acid (CAS 946386-72-7)
- 1,2,3,4-Tetrahydroquinoxaline-6-carboxylic acid (CAS 787490-63-5)
- 5,6,7,8-Tetrahydroquinoxaline-2-carboxylic acid (CAS 742070-41-3)
- (R)-1,2,3,4-Tetrahydroquinoxaline-2-carboxamide (CAS 49849-48-1)
- 1,2,3,4-tetrahydroquinoxaline-2-carboxamide (CAS 90559-19-6)
- 1-Propyl-1,2,3,4-tetrahydroquinoxaline (CAS 103639-83-4)
- 2-Propyl-1,2,3,4-tetrahydroquinoxaline (CAS 110038-75-0)
Recommended Standards
- (Imino(phenyl)methyl)glycine (CAS 32683-07-1)
- (R)-2-Amino-8-methyl-7,8-dihydro-5H-pyrano[4,3-b]pyridin-5-one (CAS 2673370-67-5)
- (E)-Ethyl 3-(pyrimidin-2-yl)acrylate (CAS 865692-66-6)
- (R)-8-Amino-2-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 870065-09-1)
- (2S,4S,5R,6R)-5-acetamido-6-((1R,2S)-3-amino-1,2,3-trihydroxypropyl)-2,4-dihydroxytetrahydro-2H-pyran-2-carboxylic acid (CAS 112037-47-5)
- 3-Iodo-2-methylbutan-2-ol (CAS 916333-64-7)
- 1-Benzyl 2-methyl (2s,4s)-4-fluoropyrrolidine-1,2-dicarboxylate (CAS 72180-14-4)
- (Z)-4-((4-(1,3-Dioxolan-2-yl)pyridin-2-yl)oxy)but-2-en-1-amine (CAS 118289-22-8)
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- (E)-4-(But-2-en-1-yl)-3-hydroxy-5-methoxybenzoic acid (CAS 81184-21-6)
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