5,6,7,8-Tetrahydroquinoxalin-5-ol CAS 35149-13-4
| CAS No. | 35149-13-4 |
| Molecular Formula | C8H10N2O |
| Molecular Weight | 150.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 150.18 g/mol gives 5,6,7,8-Tetrahydroquinoxalin-5-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5,6,7,8-Tetrahydroquinoxalin-5-ol (CAS 35149-13-4), molecular formula C8H10N2O and molecular weight 150.18 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H10N2O, 5,6,7,8-Tetrahydroquinoxalin-5-ol contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 150.18 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5,6,7,8-Tetrahydroquinoxalin-5-ol 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 | C8H10N2O |
| Molecular Weight | 150.18 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 2 |
Related Tetrahydroquinoxalin Standards
- 1,2,3,4-Tetrahydroquinoxalin-2-ol (CAS 123342-22-3)
- (R)-5,6,7,8-tetrahydroquinoxalin-5-ol (CAS 1638419-73-4)
- 5,6,7,8-Tetrahydroquinoxalin-2-amine (CAS 155535-21-0)
- 1,2,3,4-Tetrahydroquinoxalin-5-amine (CAS 163120-59-0)
- (R)-5,6,7,8-Tetrahydroquinoxalin-5-amine (CAS 911824-59-4)
- (S)-5,6,7,8-Tetrahydroquinoxalin-5-amine (CAS 502612-45-5)
- 1,2,3,4-Tetrahydroquinoxalin-6-amine (CAS 6639-91-4)
- 5,6,7,8-Tetrahydroquinoxalin-5-amine (CAS 502612-46-6)
Recommended Standards
- 5,6,7,8-Tetrahydroquinazolin-2-ol (CAS 81532-77-6)
- 5,7-Dimethyl-5,7-dihydrofuro[3,4-b]pyrazine (CAS 35162-56-2)
- 5,6,7,8-Tetrahydropyrrolo[3,2-c]azepin-4(1H)-one (CAS 21357-23-3)
- 5-Amino-1-isopropyl-1h-pyrazole-4-carbonitrile (CAS 21254-23-9)
- 9-Heptadecanone (CAS 540-08-9)
- 8-Chloro-1-(2-chlorophenyl)-4-(pyrrolidin-1-yl)-3H-benzo[c]azepine (CAS 81389-23-3)
- (2R,4R)-4-hydroxypyrrolidine-2-carboxamide hydrochloride (CAS 1844171-46-5)
- 3-{[5-(Trifluoromethyl)-1,3,4-thiadiazol-2-yl]oxy}benzaldehyde (CAS 1065076-43-8)
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- Semaglutide impurity 103 (CAS 1446013-07-5)
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