5,6,7,8-Tetrahydroquinoline-2,4-diol CAS 1823731-99-2
| CAS No. | 1823731-99-2 |
| Molecular Formula | C9H11NO2 |
| Molecular Weight | 165.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5,6,7,8-Tetrahydroquinoline-2,4-diol (CAS 1823731-99-2), molecular formula C9H11NO2 and molecular weight 165.19 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 5,6,7,8-Tetrahydroquinoline-2,4-diol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 165.19 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).
As a certified reference material (CRM), 5,6,7,8-Tetrahydroquinoline-2,4-diol 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 | C9H11NO2 |
| Molecular Weight | 165.19 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 |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1995 |
| Nitrogen Atoms | 1 |
Related Tetrahydroquinoline Standards
- 5,6,7,8-Tetrahydroquinoline-2,4(1H,3H)-dione (CAS 2092798-33-7)
- 1,2,3,4-Tetrahydroquinoline-8-thiol (CAS 21570-31-0)
- 5,6,7,8-Tetrahydroquinoline-3,4-diamine (CAS 151224-98-5)
- 1,2,3,4-Tetrahydroquinoline-5,6-diamine (CAS 156694-05-2)
- 1,2,3,4-Tetrahydroquinoline-6,7-diamine (CAS 49572-38-5)
- 1,2,3,4-Tetrahydroquinoline-7,8-diamine (CAS 51143-77-2)
- 3-Methyl-5,6,7,8-tetrahydroquinoline 1-oxide (CAS 60169-87-1)
- 5,6,7,8-Tetrahydroquinoline-2,3-diamine (CAS 346735-06-6)
Recommended Standards
- 1-Cyclopentyl-1H-1,2,4-triazole-5-carbaldehyde (CAS 1823421-59-5)
- N-(2-(aminomethyl)pyridin-4-yl)acetamide (CAS 1824097-79-1)
- 5-Methyl-2,3-dihydro-1H-pyrrolizine-7-carboxylic acid (CAS 1823272-37-2)
- Methyl 1-allyl-1H-pyrrole-2-carboxylate (CAS 183155-28-4)
- Methyl 3-Amino-3-[4-(phenylmethoxy)phenyl]propionate (CAS 752966-27-1)
- Ethyl (6-methoxy-4-phenylquinoline-2-carbonyl)glycinate (CAS 1451566-78-1)
- tert-butyl 4-(thiophene-3-carbonyl)piperazine-1-carboxylate (CAS 1420959-59-6)
- Ethyl 3-bromo-4-((3-fluorobenzyl)oxy)benzoate (CAS 1706456-85-0)
- [2-(1H-imidazol-4-ylmethyl)phenyl]methanol (CAS 1314969-20-4)
- 4-Methoxy-1-vinyl-9H-pyrido[3,4-b]indole (CAS 26585-13-7)
- 1-((1-Methyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)methyl)-3-(thiophen-2-ylmethyl)urea (CAS 1448052-27-4)
- 4-((2,4-Dimethoxybenzylidene)amino)-3-(2-fluorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 677018-35-8)
- Vitamin K1 Impurity 77 (CAS CATO-C4X-220777)
- Cycloaspeptide A (CAS 109171-13-3)
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