2-((5-((9-Chloro-6H-indolo[2,3-b]quinoxalin-6-yl)methyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)acetic acid CAS 116989-80-1
| CAS No. | 116989-80-1 |
| Molecular Formula | C25H17ClN6O2S |
| Molecular Weight | 500.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
2-((5-((9-Chloro-6H-indolo[2,3-b]quinoxalin-6-yl)methyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)acetic acid (CAS 116989-80-1) is a high-purity analytical reference standard with the molecular formula C25H17ClN6O2S and a molecular weight of 500.96 g/mol.
2-((5-((9-Chloro-6H-indolo[2,3-b]quinoxalin-6-yl)methyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)acetic acid (C25H17ClN6O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
Physical & Chemical Properties
| Molecular Formula | C25H17ClN6O2S |
| Molecular Weight | 500.96 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- N-(4-Chloro-3-nitrophenyl)-2-((3-cyano-4,6-diphenylpyridin-2-yl)thio)acetamide (CAS 332160-37-9)
- (2Z)-3-[(4-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl}phenyl)amino]-1-(4-methylphenyl)prop-2-en-1-one (CAS 478262-29-2)
- 8-Chloro-2-phenyl-3-((1S)-1-((9-(tetrahydro-2H-pyran-2-yl)-9H-purin-6-yl)amino)ethyl)isoquinolin-1(2H)-one (CAS 1350643-73-0)
- 7-Chloro-2-(3-(9-(pyridin-4-yl)-3,9-diazaspiro[5.5]undecane-3-carbonyl)phenyl)isoindolin-1-one (CAS 913064-47-8)
- Ethyl 4-(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}benzenesulfonamido)benzoate (CAS 338775-49-8)
- Ethyl 10-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)-9,11-dioxo-3-oxa-4,10-diazatetracyclo[5.5.1.0^{2,6}.0^{8,12}]tridec-4-ene-5-carboxylate (CAS 321998-78-1)
- 6-(2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)-2-(4-chlorophenyl)pyrrolo[3,4-e][1,3]thiazine-5,7(6H,7aH)-dione (CAS 337920-05-5)
- N-(4-Chloro-2-methoxy-5-methylphenyl)-2-((4-(4-chlorophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 476483-99-5)
Recommended Standards
- Cefaclor EP Impurity H (CAS CATO-C4X-12708)
- 2-((4-(2-Chlorophenyl)-3-cyano-6-phenylpyridin-2-yl)thio)-N-(3-nitrophenyl)acetamide (CAS 332162-77-3)
- Cefaclor Impurity 35 (CAS CATO-C4X-127035)
- 2-((4-(2-Chlorophenyl)-3-cyano-6-phenylpyridin-2-yl)thio)-N-(4-nitrophenyl)acetamide (CAS 332128-34-4)
- ((2R,6R)-Morpholine-2,6-diyl)dimethanol (CAS 943437-72-7)
- 2-(2,2,2-Trifluoroacetamido)ethane-1-sulfonyl chloride (CAS 70107-51-6)
- 5-Chloro-2-(m-tolyl)benzo[d]oxazole (CAS 103382-60-1)
- (3aS,4S,6R,6aR)-4-(Iodomethyl)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole (CAS 38838-06-1)
- Amlodipine Impurity 27 (CAS 88150-75-8)
- 3-(2,3-Dichlorophenyl)propanoic Acid (CAS 57915-79-4)
- 1-(4-Methoxyphenyl)-2-phenylethan-1-amine (CAS 42825-59-2)
- N-(5,6-Dimethyl-1-propyl-1H-1,3-benzodiazol-4-yl)-4-methoxybenzene-1-sulfonamide (CAS 338423-72-6)
- 3-(4-ethylpiperazin-1-yl)propanenitrile (CAS 4491-93-4)
- Tirzepatide Impurity 59 (CAS CATO-C4X-324059)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com