6-Chloro-5-methyl-[1,2,4]triazolo[4,3-a]quinoxaline-1,4(2H,5H)-dione CAS 90042-27-6
| CAS No. | 90042-27-6 |
| Molecular Formula | C10H7ClN4O2 |
| Molecular Weight | 250.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chloro-5-methyl-[1,2,4]triazolo[4,3-a]quinoxaline-1,4(2H,5H)-dione (CAS 90042-27-6), molecular formula C10H7ClN4O2 and molecular weight 250.64 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 6-Chloro-5-methyl-[1,2,4]triazolo[4,3-a]quinoxaline-1,4(2H,5H)-dione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 250.64 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).
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 6-Chloro-5-methyl-[1,2,4]triazolo[4,3-a]quinoxaline-1,4(2H,5H)-dione 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 | C10H7ClN4O2 |
| Molecular Weight | 250.64 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 5-Chloro-4-formyl-1-phenyl-1H-pyrazole-3-carboxylic acid (CAS 384832-62-6)
- 7-Chloro-5-methyl-[1,2,4]triazolo[4,3-a]quinoxaline-1,4(2H,5H)-dione (CAS 80708-35-6)
- 4-Chloro-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxylic acid (CAS 339030-73-8)
- 8-Chloro-5-methyl-[1,2,4]triazolo[4,3-a]quinoxaline-1,4(2H,5H)-dione (CAS 92473-50-2)
- (6-Chloro-2,3-dihydro-1H-inden-1-yl)methanamine (CAS 1188141-98-1)
- Methyl 3-(3,4-dichlorophenyl)prop-2-ynoate (CAS 1341695-66-6)
- 2-(Boc-amino)pyrazolo[1,5-a]pyrimidine-3-carboxylic Acid (CAS 1383056-73-2)
- 1-(6-Ethoxy-4-methylquinolin-2-yl)propan-2-one (CAS 1437391-10-0)
- 3,5-Difluoro-2-hydroxybenzoic acid (CAS 84376-20-5)
- 4-Chloro-N-(4-methylbenzyl)-2-nitroaniline (CAS 860609-02-5)
- N-Octane (CAS 111-65-9)
- 4-Chloro-3,5-dimethoxyaniline (CAS 226419-21-2)
- 6-([1,1'-Biphenyl]-2-yl)-2,3,7-triphenylimidazo[1,2-b][1,2,4]triazine (CAS 90062-45-6)
- Protein Kinase C (19-36) Peptide (CAS 113731-96-7)
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