4-((2-Chlorophenyl)thio)-[1,2,4]triazolo[4,3-a]quinoxaline CAS 338420-30-7
| CAS No. | 338420-30-7 |
| Molecular Formula | C15H9ClN4S |
| Molecular Weight | 312.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 312.78 g/mol gives 4-((2-Chlorophenyl)thio)-[1,2,4]triazolo[4,3-a]quinoxaline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-((2-Chlorophenyl)thio)-[1,2,4]triazolo[4,3-a]quinoxaline (CAS 338420-30-7), a certified reference material (molecular formula C15H9ClN4S, MW 312.78 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution, 4-((2-Chlorophenyl)thio)-[1,2,4]triazolo[4,3-a]quinoxaline is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 312.78 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.
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 4-((2-Chlorophenyl)thio)-[1,2,4]triazolo[4,3-a]quinoxaline 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 | C15H9ClN4S |
| Molecular Weight | 312.78 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 4-((4-Chlorophenyl)thio)-[1,2,4]triazolo[4,3-a]quinoxaline (CAS 245039-48-9)
- (Z)-2-(4-(4-chlorophenyl)thiazol-2-yl)-3-(furan-2-yl)acrylonitrile (CAS 312758-25-1)
- 2-(2-Chlorophenyl)-4H-benzo[4,5]imidazo[2,1-b][1,3]thiazin-4-one (CAS 2248255-21-0)
- 2-(3-Chlorophenyl)-4H-benzo[4,5]imidazo[2,1-b][1,3]thiazin-4-one (CAS 2248255-18-5)
- 2-(4-Chlorophenyl)-4H-benzo[4,5]imidazo[2,1-b][1,3]thiazin-4-one (CAS 373617-46-0)
- 2-(4-Chlorophenyl)benzo[d]imidazo[2,1-b]thiazole-3-carbaldehyde (CAS 79902-72-0)
- 4-(((4-Chlorophenyl)sulfonyl)methyl)-6-methoxy-2-methylpyrimidine (CAS 338960-53-5)
- N-(3-Chlorophenyl)-2-(2-methyl-3,5-dioxothiomorpholino)acetamide (CAS 868215-95-6)
Recommended Standards
- 2-Chloro-6-(naphthalen-1-ylthio)-1H-purine (CAS 646509-49-1)
- Methyl 5-(6-chloro-4-(isopropylamino)pyridin-3-yl)-1,3,4-thiadiazole-2-carboxylate (CAS 1447227-78-2)
- 6-Chloro-2-cyano-N,N-diethyl-1H-benzo[d]imidazole-1-sulfonamide (CAS 88422-33-7)
- 5-Chloro-4-hydrazinyl-N-methyl-N-phenylpyridine-3-sulfonamide (CAS 1352515-54-8)
- 3-Methyl-7-(methylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidine (CAS 6312-64-7)
- 2-[2-(Cyclopropylmethoxy)ethyl]piperidinehydrochloride (CAS 1220016-34-1)
- allyl 2-amino-5-fluorobenzoate (CAS 145219-56-3)
- 4''-Ethyl-2',4-difluoro-1,1':4',1''-terphenyl (CAS 132054-44-5)
- 1-(3-Bromo-2-iodophenyl)ethanone (CAS 1261816-59-4)
- Zolpidem Impurity 15 (CAS 258273-49-3)
- 3-[(1,3-dioxaindan-5-yloxy)methyl]-4-methoxybenzaldehyde (CAS 832739-19-2)
- 3-Fluoro-4-(trifluoromethyl)benzene-1-sulfonyl chloride (CAS 694472-01-0)
- Nipecotic acid (CAS 498-95-3)
- Semaglutide impurity 100 (CAS CATO-C4X-2226100)
Why CATO?
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