(S)-2-Amino-2-(3-oxo-2,3-dihydroisoxazol-5-yl)acetic acid CAS 25690-45-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25690-45-3 |
| Molecular Formula | C5H6N2O4 |
| Molecular Weight | 158.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-2-Amino-2-(3-oxo-2,3-dihydroisoxazol-5-yl)acetic acid (CAS 25690-45-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H6N2O4. Molecular weight: 158.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H6N2O4 |
| Molecular Weight | 158.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 2 |
Related S Standards
- (S)-2-Amino-2-(5-oxo-2,5-dihydroisoxazol-4-yl)acetic acid (CAS 130620-57-4)
- (R)-2-Amino-2-(5-oxo-2,5-dihydroisoxazol-4-yl)acetic acid (CAS 130645-62-4)
- (R)-2-Amino-2-(3-oxo-2,3-dihydroisoxazol-5-yl)acetic acid (CAS 25690-46-4)
- 3-Amino-4-methoxyisoxazole-5-carboxylic acid (CAS 89322-97-4)
- Methyl (4-amino-1,2,5-oxadiazol-3-yl)carbamate (CAS 1256628-07-5)
- 4-Amino-3-(methylcarbamoyl)-1,2,5-oxadiazole 2-oxide (CAS 164926-70-9)
- 2-((4-Amino-1,2,5-oxadiazol-3-yl)amino)acetic acid (CAS 401647-08-3)
- 3-Amino-1H-pyrrolo[2,3-b]pyridine-4-carbonitrile (CAS 1000340-50-0)
Recommended Standards
- (s)-2-(2,5-Dioxoimidazolidin-4-yl)acetic acid (CAS 26184-53-2)
- (S)-2-O-Acetylmalic Anhydride (CAS 59025-03-5)
- 1-(Carboxycarbonyl)cyclopropanecarboxylic acid (CAS 421548-65-4)
- 1-(4-Methoxybenzyl)-5-methyl-1H-1,2,3-triazol-4-amine (CAS 1511071-63-8)
- (2R,3S,4S,5R,6R)-2-(Hydroxymethyl)-6-(((R)-4-(4-hydroxyphenyl)butan-2-yl)oxy)tetrahydro-2H-pyran-3,4,5-triol (CAS 497-78-9)
- 2-(5-Bromo-2-chlorophenyl)-3-methylpyrazolo[1,5-a]pyridine (CAS 2304668-96-8)
- (3-(Cyclopentyloxy)-4-methoxyphenyl)boronic acid (CAS 159613-21-5)
- Calcium (4-formyl-5-hydroxy-6-methylpyridin-3-yl)methyl phosphate (CAS 5913-70-2)
- 3-Phenyl-2-(piperidin-1-yl)propanoic acid (CAS 4672-00-8)
- Semaglutide impurity 69 (CAS CATO-C4X-222669)
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