Methyl (2S,3S)-2-(1,3-dioxoisoindol-2-yl)-3-methylpentanoate CAS 137649-35-5
| CAS No. | 137649-35-5 |
| Molecular Formula | C15H17NO4 |
| Molecular Weight | 275.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Methyl (2S,3S)-2-(1,3-dioxoisoindol-2-yl)-3-methylpentanoate (CAS 137649-35-5), a certified reference material (molecular formula C15H17NO4, MW 275.30 g/mol) for analytical method development and quality control.
Based on its molecular formula C15H17NO4, Methyl (2S,3S)-2-(1,3-dioxoisoindol-2-yl)-3-methylpentanoate 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 275.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
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.
Physical & Chemical Properties
| Molecular Formula | C15H17NO4 |
| Molecular Weight | 275.30 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 1 |
Recommended Standards
- Methyl (2Z,4E)-2-carbamoyl-5-(dimethylamino)-3-(pyridin-4-yl)penta-2,4-dienoate (CAS 1374510-85-6)
- 2-Amino-5-(4-(hydroxymethyl)-2-methoxybenzyl)-6-methylpyrimidin-4(3H)-one (CAS 1376607-36-1)
- Methyl 2-methyl-6-morpholino-1H-benzo[d]imidazole-4-carboxylate (CAS 1372540-21-0)
- tert-Butyl 2-(3-carbamoyl-1H-indazol-1-yl)acetate (CAS 1386457-63-1)
- Lidocaine N-Ethyl Chloride (CAS 5369-03-9)
- 2-(4-Ethoxybenzoyl)-6-methoxypyridine (CAS 1187170-57-5)
- (2e)-3-[5-(3-bromophenyl)thiophen-2-yl]prop-2-enoic acid (CAS 1087784-22-2)
- 2-Amino-9-[[(tert-butyldimethylsilyl)oxy]methyl]fluorene (CAS 802909-18-8)
- 3-(1-Ethoxyethoxy)-oxetane (CAS 85328-36-5)
- 4-(6-Hydroxyhexyloxy)-4'-methoxybiphenyl (CAS 106869-53-8)
- (3-((2-Hydroxyethyl)carbamoyl)phenyl)boronic acid (CAS 955422-14-7)
- 5-(3,4-Dichlorophenyl)-1-(4-fluorophenyl)-1H-pyrazole-3-carboxylic acid (CAS 477712-33-7)
- 5-Ethyl-N-(4-methoxyphenyl)-1,3,4-thiadiazol-2-amine (CAS 61955-52-0)
- Semaglutide impurity 41 (CAS CATO-C4X-222641)
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