(S)-3-amino-4-((S)-1-carboxy-2-(4-hydroxyphenyl)ethylamino)-4-oxobutanoic acid 22840-03-5 L-Aspartic acid-L-tyrosine CAS 22840-03-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 22840-03-5 |
| Molecular Formula | C13H16N2O6 |
| Molecular Weight | 296.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-3-amino-4-((S)-1-carboxy-2-(4-hydroxyphenyl)ethylamino)-4-oxobutanoic acid 22840-03-5 L-Aspartic acid-L-tyrosine (CAS 22840-03-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C13H16N2O6. Molecular weight: 296.28 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C13H16N2O6 |
| Molecular Weight | 296.28 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Z-Gly-Ser-OH (C-1920.0001) (CAS 4180-62-5)
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- 2-Nitro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 1184259-08-2)
- (E)-3-Hydroxy Doxepin (CAS 131523-97-2)
- Doxycycline EP Impurity E (CAS 79-57-2)
- 1-Nitro-4-(trichloromethoxy)-2-(trifluoromethyl)benzene (CAS 1417567-14-6)
- Methyl 6-(cyclopropylamino)-4-methylnicotinate (CAS 1355197-08-8)
- Ethyl 3-(4-Bromo-2-fluorophenyl)propanoate (CAS 1057674-14-2)
- Des-Ile12-Aib13-Tirzepatide (CAS CATO-CPTD788960)
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