N5-((R)-3-(((R)-2-((S)-4-amino-4-carboxybutanamido)-2-carboxyethyl)disulfanyl)-1-((carboxymethyl)amino)-1-oxopropan-2-yl)-L-glutamine CAS 90663-73-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 90663-73-3 |
| Molecular Formula | C18H29N5O11S2 |
| Molecular Weight | 555.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
N5-((R)-3-(((R)-2-((S)-4-amino-4-carboxybutanamido)-2-carboxyethyl)disulfanyl)-1-((carboxymethyl)amino)-1-oxopropan-2-yl)-L-glutamine (CAS 90663-73-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H29N5O11S2. Molecular weight: 555.58 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H29N5O11S2 |
| Molecular Weight | 555.58 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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.) | 1982 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
Recommended Standards
- Ethyl 6-amino-5-cyano-2-{[(3-cyano-6-methyl-5,6,7,8-tetrahydro-1,6-naphthyridin-2-yl)sulfanyl]methyl}-4-[2-(trifluoromethyl)phenyl]-4H-pyran-3-carboxylate (CAS 340817-61-0)
- Glutathione Impurity 22 (CAS CATO-C4X-118522)
- 3,20-Dioxopregn-4-en-21-yl4-bromobenzenesulfonate (CAS 21170-34-3)
- N-(2-Aminoethyl)propiolamide 2,2,2-trifluoroacetic acid (CAS 2171815-05-5)
- 1-(3,5-dimethylphenyl)-3-(2-furyl)-1H-pyrazol-5-amine (CAS 1334015-29-0)
- n-(4-Chlorophenyl)-3-oxo-3-phenylpropanamide (CAS 962-08-3)
- 3-Hydroxy-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-4-carbaldehyde (CAS 1261919-40-7)
- 4-(2,3-Dihydro-1h-inden-5-yl)-1,3-thiazol-2-ylamine (CAS 59543-75-8)
- (4-(1-Ethyl-1H-pyrazol-5-yl)thiazol-2-yl)methanol (CAS 1710283-08-1)
- Semaglutide impurity 196 (CAS CATO-C4X-2226196)
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