7-Chloroquinoxalin-2(1H)-one CAS 59489-30-4
| CAS No. | 59489-30-4 |
| Molecular Formula | C8H5ClN2O |
| Molecular Weight | 180.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 180.59 g/mol gives 7-Chloroquinoxalin-2(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-Chloroquinoxalin-2(1H)-one (CAS 59489-30-4) is a high-purity analytical reference standard with the molecular formula C8H5ClN2O and a molecular weight of 180.59 g/mol.
Structurally, 7-Chloroquinoxalin-2(1H)-one (C8H5ClN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 180.59 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 7-Chloroquinoxalin-2(1H)-one 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 | C8H5ClN2O |
| Molecular Weight | 180.59 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloroquinoxalin Standards
- 3-Chloroquinoxalin-6-ol (CAS 1888903-19-2)
- 2-Chloroquinoxalin-6-ol (CAS 55687-04-2)
- 5-Chloroquinoxalin-2(1H)-one (CAS 55687-19-9)
- 6-Chloroquinoxalin-5-ol (CAS 62163-11-5)
- 8-Chloroquinoxalin-2-ol (CAS 65180-12-3)
- 8-Chloroquinoxalin-5-ol (CAS 62163-10-4)
- 2-Chloroquinoxalin-6-amine (CAS 112928-27-5)
- 5-Chloroquinoxalin-6-amine (CAS 1287747-30-1)
Recommended Standards
- 7-Chloropyrido[3,4-b]pyrazin-5-amine (CAS 2304630-97-3)
- 8-Chloro-2H-chromen-2-one (CAS 33491-29-1)
- 7-Chlorophthalazin-1(2H)-one (CAS 60889-20-5)
- 8-Chlorocinnolin-4-ol (CAS 876-75-5)
- 1-(Benzo[d][1,3]dioxol-5-yl)-3-(2,4-dimethoxypyrimidin-5-yl)urea (CAS 1448050-67-6)
- 3-(3-Bromophenoxy)piperidine hydrochloride (CAS 1185297-49-7)
- LNA-A(Bz) amidite (CAS 206055-79-0)
- 3-(3-Carbamoyl-1h-pyrazol-1-yl)propanoic acid (CAS 1006458-61-2)
- 2-Bromo-4-methoxybenzoic acid (CAS 74517-85-4)
- Yessotoxin (CAS 112574-50-2)
- 7-Methyl-5-oxo-3,5-dihydro-2H-oxazolo[3,2-a]pyridine-6-carbonitrile (CAS 77263-45-7)
- 1-(2-Fluorophenyl)-1h,4h,5h,6h-cyclopenta[c]pyrazole-3-carboxylic acid (CAS 926261-73-6)
- 5-Bromo-2-(difluoromethyl)-3-methoxypyridine (CAS 1804707-46-7)
- [D-His1]-Semaglutide (CAS CATO-C4X-2226127)
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