4-(1,3-Dioxoisoindolin-2-yl)-2-hydroxybutanoic acid CAS 40732-91-0
| CAS No. | 40732-91-0 |
| Molecular Formula | C12H11NO5 |
| Molecular Weight | 249.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-(1,3-Dioxoisoindolin-2-yl)-2-hydroxybutanoic 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.
4-(1,3-Dioxoisoindolin-2-yl)-2-hydroxybutanoic acid (CAS 40732-91-0) is a high-purity analytical reference standard with the molecular formula C12H11NO5 and a molecular weight of 249.22 g/mol.
4-(1,3-Dioxoisoindolin-2-yl)-2-hydroxybutanoic acid (C12H11NO5) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C12H11NO5 |
| Molecular Weight | 249.22 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 1 |
Related Dioxoisoindolin Standards
- Methyl 2-((1,3-dioxoisoindolin-2-yl)oxy)propanoate (CAS 131042-52-9)
- Methyl 3-(1,3-dioxoisoindolin-2-yl)-2-hydroxypropanoate (CAS 153744-36-6)
- (S)-4-(1,3-Dioxoisoindolin-2-yl)-2-hydroxybutanoic acid (CAS 48172-10-7)
- 2-(1,3-Dioxoisoindolin-2-yl)-3-hydroxybutanoic acid (CAS 43018-29-7)
- 2-(2-(1,3-Dioxoisoindolin-2-yl)ethoxy)acetic acid (CAS 69676-65-9)
- 2-((1,3-Dioxoisoindolin-2-yl)amino)ethyl acetate (CAS 5466-90-0)
- (R)-2-(1,3-dioxoisoindolin-2-yl)-3-methylbutanoic acid (CAS 6306-53-2)
- 1,3-Dioxoisoindolin-2-yl pivalate (CAS 84379-72-6)
Recommended Standards
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- 3-Formyl-5,6-dimethoxy-1h-indole-2-carboxylic acid (CAS 858769-50-3)
- 4-(Benzo[d][1,3]dioxol-5-yl)-2-oxopyrrolidine-3-carboxylic acid (CAS 927802-31-1)
- 6-Oxo-6-(4-(trifluoromethyl)phenyl)hexanenitrile (CAS 61718-88-5)
- 1-{[2-(1-acetylpiperidin-2-yl)ethyl]sulfanyl}ethan-1-one (CAS 1820608-89-6)
- Methyl 2,4-dichloro-3-(difluoromethoxy)phenylacetate (CAS 1806301-53-0)
- 1-(2-Fluoro-4-methoxyphenyl)piperazine (CAS 800372-98-9)
- (S)-2-(Isopropyl((1-methylpyrrolidin-2-yl)methyl)amino)ethanol (CAS 1354008-29-9)
- Tert-butyl6-fluoro-3-formyl-indole-1-carboxylate (CAS 1260651-68-0)
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