1-Oxyl-2,2,5,5-tetramethylpyrroline-3-carboxylate N-Hydroxys CAS 37558-29-5
| CAS No. | 37558-29-5 |
| Molecular Formula | C13H17N2O5 |
| Molecular Weight | 281.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-Oxyl-2,2,5,5-tetramethylpyrroline-3-carboxylate N-Hydroxys under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
1-Oxyl-2,2,5,5-tetramethylpyrroline-3-carboxylate N-Hydroxys (CAS 37558-29-5), molecular formula C13H17N2O5 and molecular weight 281.28 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H17N2O5, 1-Oxyl-2,2,5,5-tetramethylpyrroline-3-carboxylate N-Hydroxys contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 281.28 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.
Physical & Chemical Properties
| Molecular Formula | C13H17N2O5 |
| Molecular Weight | 281.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 2 |
Related Oxyl Standards
- (1-Oxyl-2,2,5,5-tetramethyl-3-pyrroline-3-methyl) Methanethiosulfonate 15N,d15 (CAS 384342-58-9)
- (1-Oxyl-2,2,5,5-tetramethyl-3-pyrroline-3-methyl) Methanethiosulfonate-d15 (CAS 384342-57-8)
- (1-Oxyl-2,2,3,5,5-pentamethyl-∆3-pyrroline-3-methyl) Methanethiosulfonate (CAS 339072-96-7)
- (-)-(1-Oxyl-2,2,5,5-tetramethylpyrrolidin-3-yl)methyl Methanethiosulfonate (CAS 681034-15-1)
- (+)-(1-Oxyl-2,2,5,5-tetramethylpyrrolidin-3-yl)methyl Methanethiosulfonate (CAS 681034-14-0)
- (1-Oxyl-2,2,5,5-tetramethylpyrrolidin-3-yl) Methyl Methaneth (CAS 201403-46-5)
- (1-Oxyl-2,2,5,5-tetramethyl-Δ3-pyrroline-3-methyl) Methanethiosulfonate-15N (CAS 1404308-02-6)
- N-(1-Oxyl-2,2,6,6-tetramethyl-4-piperidinyl)maleimide (CAS 15178-63-9)
Recommended Standards
- 1-Benzyl 2-methyl (2s,4s)-4-fluoropyrrolidine-1,2-dicarboxylate (CAS 72180-14-4)
- 2-(2-Fluorophenyl)-6-methylquinoline-4-carboxylic acid (CAS 855484-86-5)
- 1-Benzyl 2-methyl (2s,4r)-4-fluoropyrrolidine-1,2-dicarboxylate (CAS 72180-24-6)
- 2-(4-Fluorophenyl)quinoline-4-carbohydrazide (CAS 351328-72-8)
- 2-Cyclopropyl-3-(1H-imidazol-1-yl)-2H-chromene-6-carboxylic acid (CAS 89781-98-6)
- 1H-Pyrimido[4,5-b]indole-2,4(3H,9H)-dione (CAS 115127-16-7)
- Calcium α-D-heptagluconate dihydrate (CAS 10030-53-2)
- (S)-3-Ethoxy-3-(4-(((R)-4-(trifluoromethyl)-2,3-dihydro-1h-inden-1-yl)oxy)phenyl)propanoic acid (CAS 1202575-67-4)
- Celecoxib Impurity 69 (CAS 36201-04-4)
- 3-Cyclohexyl-4-nitro-1h-pyrazole (CAS 1247187-59-2)
- 3-[(2,4-Difluorophenoxy)methyl]pyrrolidinehydrochloride (CAS 1220032-31-4)
- (3AR,6aS)-2-(butylsulfonyl)octahydropyrrolo[3,4-c]pyrrole (CAS 1690113-36-0)
- 1-(Tert-butyl) 2-methyl (2S,4S)-4-(5-bromo-2-fluorophenoxy)pyrrolidine-1,2-dicarboxylate (CAS 2442510-50-9)
- Semaglutide impurity 33 (CAS CATO-C4X-222633)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com