4-Hydroxyquinoline-5,8-dione CAS 115170-25-7
| CAS No. | 115170-25-7 |
| Molecular Formula | C9H5NO3 |
| Molecular Weight | 175.14 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.
CATO supplies 4-Hydroxyquinoline-5,8-dione (CAS 115170-25-7), a certified reference material (molecular formula C9H5NO3, MW 175.14 g/mol) for analytical method development and quality control.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 4-Hydroxyquinoline-5,8-dione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 175.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 4-Hydroxyquinoline-5,8-dione 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 | C9H5NO3 |
| Molecular Weight | 175.14 g/mol |
| Appearance | Pale yellow to 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 methanol, ethanol, DMSO |
| 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.) | 1989 |
| Nitrogen Atoms | 1 |
Related Hydroxyquinoline Standards
- 7-Hydroxyquinoline-5,8-dione (CAS 34535-16-5)
- 2-Hydroxyquinoline-7-carbaldehyde (CAS 1260762-89-7)
- 4-Hydroxyquinoline-7-carboxaldehyde (CAS 1261490-52-1)
- 6-Hydroxyquinoline-4-carbaldehyde (CAS 1261490-63-4)
- 7-Hydroxyquinoline-5-carbaldehyde (CAS 1261544-80-2)
- 3-Hydroxyquinoline-6-carbaldehyde (CAS 1261626-85-0)
- 8-Hydroxyquinoline-4-carbaldehyde (CAS 14510-07-7)
- 4-Hydroxyquinoline-2-carbaldehyde (CAS 168141-99-9)
Recommended Standards
- Benzo[d]oxazole-2,5-dicarbaldehyde (CAS 1033202-93-5)
- 2,3-Dioxoindoline-6-carbaldehyde (CAS 115542-14-8)
- Pyrido[3,4-b]pyrazine-8-carboxylic acid (CAS 1023815-46-4)
- 1-(pyrazin-2-yl)-2,5-dihydro-1H-pyrrole-2,5-dione (CAS 1156405-18-3)
- 3-(2-Chloroethyl)pyrrolidin-2-one (CAS 932-45-6)
- 2-Methylamino-butyric acid (CAS 70606-05-2)
- Ergosterol Peroxide Glucoside (CAS 140447-22-9)
- 2-(3,3-Dimethoxycyclopentyl)acetaldehyde (CAS 2821785-48-0)
- 2-Ethynyl-5-methylpyridine 1-oxide (CAS 499187-53-0)
- 5,5,6,6,6-Pentafluorohexane-2,4-dione (CAS 356-40-1)
- Cyclohexyl 2-(2,3-dimethylphenyl)ethyl ketone (CAS 898793-49-2)
- Dabigatran Impurity 77 (CAS 5436-02-2)
- 4-Ethyl-3-phenyl-1h-pyrazol-5-amine (CAS 103492-43-9)
- Semaglutide impurity 200 (CAS CATO-C4X-2226200)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com