2,5-Dimethyl-1,3-dioxo-2,3,3a,4,5,7a-hexahydro-1h-isoindole-4-carboxylic acid CAS 1212094-55-7
| CAS No. | 1212094-55-7 |
| Molecular Formula | C11H13NO4 |
| Molecular Weight | 223.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2,5-Dimethyl-1,3-dioxo-2,3,3a,4,5,7a-hexahydro-1h-isoindole-4-carboxylic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 2,5-Dimethyl-1,3-dioxo-2,3,3a,4,5,7a-hexahydro-1h-isoindole-4-carboxylic acid (CAS 1212094-55-7), a certified reference material (molecular formula C11H13NO4, MW 223.23 g/mol) for analytical method development and quality control.
Structurally, 2,5-Dimethyl-1,3-dioxo-2,3,3a,4,5,7a-hexahydro-1h-isoindole-4-carboxylic acid (C11H13NO4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 223.23 g/mol, it falls into the medium-molecular-weight range. 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), 2,5-Dimethyl-1,3-dioxo-2,3,3a,4,5,7a-hexahydro-1h-isoindole-4-carboxylic 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 | C11H13NO4 |
| Molecular Weight | 223.23 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Dimethyl Standards
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Recommended Standards
- 2-(4-Methyl-3-nitrophenyl)-1,3-dioxane (CAS 1212060-78-0)
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- N-Cbz-glycine Methyl Ester (CAS 1212-53-9)
- (S)-3-amino-3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)propanoic acid (CAS 1213329-67-9)
- (3R,4R,5R)-3-Isopropyl-4,5-dimethylpyrrolidin-2-one (CAS 423184-05-8)
- N-(3-(1H-Imidazol-1-yl)propyl)-6-chloro-4-methylbenzo[d]thiazol-2-amine (CAS 1177305-43-9)
- 1-(Bromomethyl)-7-chloronaphthalene (CAS 942192-11-2)
- 4-Methyl-1,4-dihydropyrrolo[2,3-d][1,2,3]triazole (CAS 169511-86-8)
- 2-(2,4-Difluorobenzoyl)-3-methylpyridine (CAS 1187165-77-0)
- (1S)-2,2'-Bis(methoxymethoxy)[1,1'-binaphthalene]-3,3'-diol (CAS 326793-16-2)
- 3-Amino-N-(1,1-dioxidothietan-3-yl)-3-thioxopropanamide (CAS 1860290-19-2)
- Polyphyllin E (CAS 76296-73-6)
- tert-butyl (3S,5S)-3-(tert-butoxycarbonylamino)-5-hydroxy-piperidine-1-carboxylate (CAS 2763891-61-6)
- Tau Peptide (306-317) trifluoroacetate salt (CAS 1003007-59-7)
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