4-Ethyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid CAS 2306262-88-2
| CAS No. | 2306262-88-2 |
| Molecular Formula | C7H11NO2 |
| Molecular Weight | 141.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 4-Ethyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid (CAS 2306262-88-2), a certified reference material (molecular formula C7H11NO2, MW 141.17 g/mol) for analytical method development and quality control.
Structurally, 4-Ethyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid (C7H11NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 141.17 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C7H11NO2 |
| Molecular Weight | 141.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
- 1-(1-Methyl-4,5-dihydro-1H-imidazol-2-yl)guanidine (CAS 792847-19-9)
- 1-Ethyl-4,5-dihydro-1H-pyrazole-3-carboxamide (CAS 89531-97-5)
- 3,5-dihydro-2H-furo[3,2-c]pyridin-4-one (CAS 54415-78-0)
- Ethyl 2,3-dihydro-1H-pyrrole-1-carboxylate (CAS 68471-56-7)
- Ethyl 2,5-dihydro-1H-pyrrole-1-carboxylate (CAS 6972-81-2)
- Ethyl 2,5-dihydro-1H-pyrrole-3-carboxylate (CAS 35516-95-1)
- Ethyl 3,4-Dihydro-2H-pyrrole-2-carboxylate (CAS 98431-77-7)
- Ethyl 3,4-dihydro-2H-pyrrole-4-carboxylate (CAS 31339-54-5)
Recommended Standards
- 4-Ethoxy-3-methyl-1,5-dihydro-2H-pyrrol-2-one (CAS 246147-55-7)
- 4-Ethylpiperidine-2,6-dione (CAS 78265-96-0)
- 4-Amino-3,5,5-trimethylfuran-2(5H)-one (CAS 99564-00-8)
- 4-Ethynylphenylacetonitrile (CAS 351002-90-9)
- 4-(3-Bromophenyl)thiomorpholine-3,5-dione (CAS 1707732-61-3)
- 2-Bromo-1-(3-methyl-4-nitrophenyl)ethanone (CAS 1010384-55-0)
- 2,2-Bis(mercaptomethyl)-1,3-propanediol (CAS 19333-66-5)
- Methyl 2-amino-4-(4-chlorophenyl)-5-methylthiophene-3-carboxylate (CAS 350989-57-0)
- 2,4＇-Bisphenol A (CAS 837-08-1)
- 2-(2-Bromo-6-(difluoromethyl)-5-nitropyridin-3-yl)acetonitrile (CAS 1804976-08-6)
- 2-Cyclopentyl-3-(2,4-dichlorophenyl)-1-oxo-1,2,3,4-tetrahydroisoquinoline-4-carboxylic acid (CAS 400073-92-9)
- 1-(3-Nitro-2-pyridinyl)tetrahydro-4(1H)-pyridinone (CAS 338411-72-6)
- N-{4-[(2-Bromoacetyl)amino]phenyl}-2-methylbenzamide (CAS 1138443-19-2)
- Semaglutide impurity 33 (CAS CATO-C4X-222633)
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