(4R,5S)-5-Methyl-2-oxooxazolidine-4-carboxylic acid CAS 122871-70-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 122871-70-9 |
| Molecular Formula | C5H7NO4 |
| Molecular Weight | 145.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(4R,5S)-5-Methyl-2-oxooxazolidine-4-carboxylic acid (CAS 122871-70-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H7NO4. Molecular weight: 145.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H7NO4 |
| Molecular Weight | 145.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (2,5-Difluoropyridin-4-yl)methanol (CAS 1227601-53-7)
- 4-Amino-2,6-difluorophenol (CAS 126058-97-7)
- (5,6-Difluoropyridin-2-yl)methanol (CAS 1227601-43-5)
- N1-(2,2,3,3,4,4,5,5-octafluoropentyl)-4-methylaniline (CAS 133384-11-9)
- 1,3-Dimethyl-5-{[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]methylidene}-1,3-diazinane-2,4,6-trione (CAS 1449135-43-6)
- 8-chloro-1,2-dihydroquinazolin-2-one (CAS 60610-15-3)
- (S)-4-Chloro-2,3-dihydro-1h-inden-1-amine (CAS 945950-80-1)
- 5-Amino-2-chloropyrimidine-4(3H)-thione (CAS 14623-59-7)
- 2-Chloro-3-ethynyl-1,4-difluorobenzene (CAS 2228585-26-8)
- Acetyl-Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 2022956-56-3)
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)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com