3-(1-Oxoisoindolin-2-yl)-3-(p-tolyl)propanoic acid CAS 439095-70-2
| CAS No. | 439095-70-2 |
| Molecular Formula | C18H17NO3 |
| Molecular Weight | 295.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(1-Oxoisoindolin-2-yl)-3-(p-tolyl)propanoic acid (CAS 439095-70-2) is a high-purity analytical reference standard with the molecular formula C18H17NO3 and a molecular weight of 295.33 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 3-(1-Oxoisoindolin-2-yl)-3-(p-tolyl)propanoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 295.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 3-(1-Oxoisoindolin-2-yl)-3-(p-tolyl)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 | C18H17NO3 |
| Molecular Weight | 295.33 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 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 |
Related Oxoisoindolin Standards
- 3-(1-Oxoisoindolin-2-yl)-3-(m-tolyl)propanoic acid (CAS 478260-02-5)
- 3-(1-Oxoisoindolin-2-yl)-3-(o-tolyl)propanoic acid (CAS 478249-82-0)
- Ethyl 4-((1-oxoisoindolin-2-yl)methyl)benzoate (CAS 861211-67-8)
- 3-(1-Oxoisoindolin-2-yl)-3-(thiophen-2-yl)propanoic acid (CAS 478079-05-9)
- 3-(1-Oxoisoindolin-2-yl)-3-(thiophen-3-yl)propanoic acid (CAS 478249-84-2)
- 4-(1-Oxoisoindolin-2-yl)benzene-1-sulfonyl chloride (CAS 114341-14-9)
- 3-(4-(1-Oxoisoindolin-2-yl)phenyl)propanoic acid (CAS 105590-18-9)
- Ethyl 4-(1-oxoisoindolin-2-yl)benzoate (CAS 109621-43-4)
Recommended Standards
- 3-(2-Morpholino-2-oxoethyl)-1,3-diazaspiro[4.5]decane-2,4-dione (CAS 733791-48-5)
- 3-(4-Fluorophenyl)-7-(thiophen-2-yl)pyrazolo[1,5-a]pyrimidine (CAS 861209-72-5)
- 3-(1-((4-Phenoxyphenyl)amino)ethylidene)dihydrofuran-2(3H)-one (CAS 866145-86-0)
- 3-(5-(Benzyloxy)-1H-indol-3-yl)propanoic acid (CAS 7394-76-5)
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- 3-(2-Hydroxyphenyl)propanoyl chloride (CAS 1429614-74-3)
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- Primidone EP Impurity F (CAS 1189504-46-8)
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