3-[(1,3-dioxo-2,3,3a,4,7,7a-hexahydro-1H-isoindol-2-yl)amino]benzoic acid CAS 1803593-41-0
| CAS No. | 1803593-41-0 |
| Molecular Formula | C15H14N2O4 |
| Molecular Weight | 286.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-[(1,3-dioxo-2,3,3a,4,7,7a-hexahydro-1H-isoindol-2-yl)amino]benzoic acid (CAS 1803593-41-0), molecular formula C15H14N2O4 and molecular weight 286.28 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H14N2O4, 3-[(1,3-dioxo-2,3,3a,4,7,7a-hexahydro-1H-isoindol-2-yl)amino]benzoic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 286.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 3-[(1,3-dioxo-2,3,3a,4,7,7a-hexahydro-1H-isoindol-2-yl)amino]benzoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H14N2O4 |
| Molecular Weight | 286.28 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
Related dioxo Standards
- 1,5-Dioxo-4-(prop-2-en-1-yl)-1h,2h,3h,3ah,4h,5h-pyrrolo[1,2-a]quinazoline-3a-carboxylic acid (CAS 872319-68-1)
- 3-(1,4-Dioxo-3,4,4a,5,8,8a-hexahydrophthalazin-2(1h)-yl)benzoic acid (CAS 926266-77-5)
- 6-Methyl-2,4-dioxo-3-phenyl-1h,2h,3h,4h-furo[2,3-d]pyrimidine-5-carboxylic acid (CAS 1311315-84-0)
- 2-(1,3-Dioxo-octahydro-1h-isoindol-2-yl)-4-(methylsulfanyl)butanoic acid (CAS 1008946-61-9)
- 7-Methyl-1,3-dioxo-2-phenyl-2,3,3a,4,7,7a-hexahydro-1h-isoindole-4-carboxylic acid (CAS 192821-98-0)
- 1-(1,4-Dioxo-1,4-dihydronaphthalen-2-yl)piperidine-4-carboxylic acid (CAS 860788-44-9)
- 3-(5-Methyl-1,3-dioxo-1,3,3a,4,7,7a-hexahydro-2H-isoindol-2-yl)benzoic acid (CAS 887631-54-1)
- 4-(4-Methyl-1,3-dioxo-1,3,3a,4,7,7a-hexahydro-2H-isoindol-2-yl)benzoic acid (CAS 324001-29-8)
Recommended Standards
- N-(2-Ethoxyphenyl)-2-nitrobenzamide (CAS 17296-38-7)
- Methyl 3-(2H-1,3-benzodioxol-5-yl)-5-methoxybenzoate (CAS 1820618-35-6)
- 3S-Phyllodulcin (CAS 172588-04-4)
- 2-((4-Methoxybenzyl)amino)-5-nitrobenzaldehyde (CAS 1820650-73-4)
- (R)-Octahydro-1H-Pyrido[1,2-A]Pyrazine (CAS 179605-64-2)
- 2-Amino-5’-O-(dimethoxytrityl)-N6-(dimethylaminomethylidene)-N2-isobutyryl-2’-deoxyadenosine (CAS 869354-77-8)
- 5-Bromoimidazo[1,2-a]pyrazine, 97% (CAS 87597-26-0)
- (5Z,8Z,11Z,14Z)-N-(3-Fluoro-2-hydroxypropyl)icosa-5,8,11,14-tetraenamide (CAS 1428445-15-1)
- n-Butyl-1,2,3,4-tetrahydronaphthalen-1-amine (CAS 1019544-62-7)
- 2-Amino-3-(1H-indol-5-yl)propanoic acid (CAS 3569-24-2)
- 1-(4-Bromo-2-fluorophenyl)cyclopropanamine (CAS 1260674-95-0)
- Sorafenib Impurity 59 (CAS 284462-80-2)
- 2-Amino-6,7,8,9-tetrahydro-5H-benzo[7]annulen-5-one hydrochloride (CAS 337526-60-0)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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