(2R,3S)-α-Diazo-3-[(1R)-1-hydroxyethyl]-β,4-dioxo-2-azetidinebutanoic Acid (4-Nitrophenyl)methyl Ester CAS 74288-39-4
| CAS No. | 74288-39-4 |
| Molecular Formula | C16H16N4O7 |
| Molecular Weight | 376.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2R,3S)-α-Diazo-3-[(1R)-1-hydroxyethyl]-β,4-dioxo-2-azetidinebutanoic Acid (4-Nitrophenyl)methyl Ester (C16H16N4O7) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
(2R,3S)-α-Diazo-3-[(1R)-1-hydroxyethyl]-β,4-dioxo-2-azetidinebutanoic Acid (4-Nitrophenyl)methyl Ester (CAS 74288-39-4) is a high-purity analytical reference standard with the molecular formula C16H16N4O7 and a molecular weight of 376.32 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (2R,3S)-α-Diazo-3-[(1R)-1-hydroxyethyl]-β,4-dioxo-2-azetidinebutanoic Acid (4-Nitrophenyl)methyl Ester 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.
Physical & Chemical Properties
| Molecular Formula | C16H16N4O7 |
| Molecular Weight | 376.32 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 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 4 |
Recommended Standards
- 4,4-Bis(4-hydroxy-3-nitrophenyl)pentanoic acid (CAS 14601-82-2)
- (E)-[(2,4-Dichlorophenyl)methoxy](1-{2-[4-(propan-2-yl)phenyl]cyclopropyl}ethylidene)amine (CAS 338392-35-1)
- 5,7-Disulfonaphthalene-1,4-dicarboxylic acid (CAS 1267804-17-0)
- (E)-[(2,6-Dichlorophenyl)methoxy](1-{2-[4-(propan-2-yl)phenyl]cyclopropyl}ethylidene)amine (CAS 338392-53-3)
- 5-Chloro-2-(2-fluorophenyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 1431727-83-1)
- p-Tolyl benzoate (CAS 614-34-6)
- (S)-2-Cyclopentyl-2-((methoxycarbonyl)amino)acetic acid (CAS 1239660-25-3)
- rel-N-[(1R,4R)-4-(Hydroxymethyl)-2-cyclopenten-1-yl]carbamic Acid 1,1-Dimethylethyl Ester (CAS 172720-97-7)
- Ethyl 2-(4-bromo-2,5-difluorophenyl)acetate (CAS 1807120-48-4)
- 5-Cyclopropyl-2-(4-fluorophenyl)-N-methyl-6-(methylsulfonamido)benzofuran-3-carboxamide (CAS 691856-35-6)
- 4-Amino-3-benzoyl-2-methylpyrrole (CAS 57436-07-4)
- 2-Chloro-6-(trifluoromethyl)benzoic Acid (CAS 2376-00-3)
- 2,2-dimethylazetidin-3-ol;hydrochloride (CAS 2231673-10-0)
- Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
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