898749-84-3 Ethyl 8-{3-[(2,5-dihydro-1H-pyrrol-1-yl)methyl]phenyl}-8-oxooctanoate DTXSID20643519 CAS 898749-84-3
| CAS No. | 898749-84-3 |
| Molecular Formula | C21H29NO3 |
| Molecular Weight | 343.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 343.46 g/mol gives 898749-84-3 Ethyl 8-{3-[(2,5-dihydro-1H-pyrrol-1-yl)methyl]phenyl}-8-oxooctanoate DTXSID20643519 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
898749-84-3 Ethyl 8-{3-[(2,5-dihydro-1H-pyrrol-1-yl)methyl]phenyl}-8-oxooctanoate DTXSID20643519 (CAS 898749-84-3), molecular formula C21H29NO3 and molecular weight 343.46 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H29NO3, 898749-84-3 Ethyl 8-{3-[(2,5-dihydro-1H-pyrrol-1-yl)methyl]phenyl}-8-oxooctanoate DTXSID20643519 contains a steroid 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 343.46 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 | C21H29NO3 |
| Molecular Weight | 343.46 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- Mitiglinide Calcium Impurity 13 (CAS CATO-C4X-116113)
- (4R)-3-[(2S)-1-Oxo-2-(2-propenyl)octyl]-4-(phenylmethyl)-2-oxazolidinone (4R)-3-[(2S)-1-Oxo-2-(2-propenyl)octyl]-4-benzyl-2-oxazolidinone 548783-48-8 (CAS 548783-48-8)
- Salbutamol Impurity 120 (CAS CATO-C4X-1176120)
- Doxapram N-Oxide (CAS CATO-C4X-197312)
- 3-Amino-5,6-dibromopyrazine-2-carboxylic acid (CAS 502143-36-4)
- 5-(4-Chlorophenyl)isoxazole-3-carbonitrile (CAS 1173252-25-9)
- 2,6-Dibromo-3-fluorobenzylamine (CAS 1806354-21-1)
- N1-(2,4-Dinitrophenyl)ethane-1,2-diamine (CAS 28767-75-1)
- Methyl 2-methyl-3-oxo-1,2,3,4-tetrahydroisoquinoline-5-carboxylate (CAS 1547297-67-5)
- 1,2,4,5-Benzenetetracarboxylic Dianhydride-d2 (CAS 106426-63-5)
- 2-Bromo-5-ethynylbenzoic acid (CAS 1852474-03-3)
- 2-Isobutyl-4,4,6-trimethyl-1,3,2-dioxaborinane (CAS 67562-23-6)
- Liraglutide Impurity 15 TFA Salt (CAS CATO-C4X-199215)
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