3-[4-(Methylsulfanyl)phenyl]-3-(1-oxo-2,3-dihydro-1H-isoindol-2-yl)propanoic acid CAS 439121-08-1
| CAS No. | 439121-08-1 |
| Molecular Formula | C18H17NO3S |
| Molecular Weight | 327.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-[4-(Methylsulfanyl)phenyl]-3-(1-oxo-2,3-dihydro-1H-isoindol-2-yl)propanoic acid (CAS 439121-08-1) is a high-purity analytical reference standard with the molecular formula C18H17NO3S and a molecular weight of 327.40 g/mol.
Based on its molecular formula C18H17NO3S, 3-[4-(Methylsulfanyl)phenyl]-3-(1-oxo-2,3-dihydro-1H-isoindol-2-yl)propanoic acid contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 327.40 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).
As a certified reference material (CRM), 3-[4-(Methylsulfanyl)phenyl]-3-(1-oxo-2,3-dihydro-1H-isoindol-2-yl)propanoic 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 | C18H17NO3S |
| Molecular Weight | 327.40 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylsulfanyl Standards
- 4-[6-(Methylsulfanyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl]morpholine (CAS 478081-02-6)
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Recommended Standards
- 3-[(3,5-dimethylpiperidin-1-yl)sulfonyl]-4-methoxybenzoic acid (CAS 872107-72-7)
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- 3-[(3,4-Dimethoxyphenyl)methyl]-4-phenyl-4,5-dihydro-1H-1,2,4-triazole-5-thione (CAS 331269-06-8)
- 3-Amino-N-(4-methoxyphenyl)-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamide (CAS 299464-83-8)
- 6-Chloro-5-iodo-1H-imidazo[4,5-b]pyridine-2(3H)-thione (CAS 1394373-25-1)
- 1-Benzyl-3-(methylamino)piperidin-2-one (CAS 1341793-00-7)
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- (E)-(1-{6-methyl-[1,2,4]triazolo[3,2-b][1,3]thiazol-5-yl}ethylidene)({[3-(trifluoromethyl)phenyl]methoxy})amine (CAS 478245-60-2)
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