2-(2-Oxo-2-(2-oxoindolin-3-yl)acetamido)benzoic acid CAS 90656-39-6
| CAS No. | 90656-39-6 |
| Molecular Formula | C17H12N2O5 |
| Molecular Weight | 324.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2-Oxo-2-(2-oxoindolin-3-yl)acetamido)benzoic acid (CAS 90656-39-6), molecular formula C17H12N2O5 and molecular weight 324.29 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 2-(2-Oxo-2-(2-oxoindolin-3-yl)acetamido)benzoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 324.29 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.
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 2-(2-Oxo-2-(2-oxoindolin-3-yl)acetamido)benzoic acid 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 | C17H12N2O5 |
| Molecular Weight | 324.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 2 |
Related Oxo Standards
- 4-(((2-Oxoindolin-3-ylidene)methyl)amino)benzenesulfonamide (CAS 388626-12-8)
- 2-(1-Methyl-2-oxoindolin-3-ylidene)-N-phenylhydrazine-1-carbothioamide (CAS 79560-75-1)
- 1-(2-Oxoindolin-5-yl)-3-(3-phenylpropyl)urea (CAS 1171968-09-4)
- (2S)-2-(2-(2-Oxoindolin-3-yl)acetamido)succinic acid (CAS 119975-53-0)
- 1-(1-Ethyl-2-oxoindolin-5-yl)-3-(thiophen-2-yl)urea (CAS 1169957-63-4)
- (Z)-4-((2-Oxoindolin-3-ylidene)amino)benzenesulfonamide (CAS 83088-99-7)
- 3-(5-(1-Methyl-2-oxoindolin-3-ylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanoic acid (CAS 305376-97-0)
- 2-(2-Oxoindolin-3-ylidene)-N-phenylhydrazine-1-carbothioamide (CAS 28492-94-6)
Recommended Standards
- 2-(1H-Benzo[d]imidazole-2-carbonyl)-N-methyl-4-nitrobenzamide (CAS 62367-30-0)
- 2-(3-Methoxyphenyl)-4-(3-nitrobenzylidene)oxazol-5(4H)-one (CAS 299438-93-0)
- 2-(((2-Methoxy-4-nitrophenyl)amino)methylene)-1H-indene-1,3(2H)-dione (CAS 351165-23-6)
- 2-(3-Methyl-5-(2-nitrophenyl)-4H-1,2,4-triazol-4-yl)benzoic acid (CAS 648917-54-8)
- 4-Chloro-6-(difluoromethyl)-2-methylpyrimidine (CAS 1706452-87-0)
- (4-Amino-2-fluorophenyl)boronic acid (CAS 921211-27-0)
- BMS-986235 (CAS 2253947-47-4)
- 5H-Pyrido[4,3-b]indole (CAS 244-69-9)
- 2-Methoxy-N-(2-(piperidin-2-yl)ethyl)acetamide hydrochloride (CAS 1185301-71-6)
- (2-Amino-4-methylpyrimidine)-(pyridine-2,6-dicarboxylato)copper(II) hydrate (CAS 937379-14-1)
- 1-Butyl-6,7-difluoro-2-methylbenzimiodazole (CAS 1375069-00-3)
- Relugolix Impurity 80 (CAS CATO-C4X-242980)
- 3,5-Dimethyl-1-((3-(trifluoromethyl)phenoxy)methyl)-1h-pyrazol-4-amine (CAS 956396-71-7)
- [Ser]8-Acetylated Semaglutide (CAS CATO-C4X-2226218)
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