Fmoc-β-Ala-Cys(Trt)-OH CAS 2244048-20-0
| CAS No. | 2244048-20-0 |
| Molecular Formula | C40H36N2O5S |
| Molecular Weight | 656.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Fmoc-β-Ala-Cys(Trt)-OH (CAS 2244048-20-0), molecular formula C40H36N2O5S and molecular weight 656.79 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Fmoc-β-Ala-Cys(Trt)-OH (C40H36N2O5S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 24.0, corresponding to approximately 24 ring(s) or double-bond equivalent(s). With a molecular weight of 656.79 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C40H36N2O5S |
| Molecular Weight | 656.79 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) | 24.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Fmoc Standards
- Fmoc-β-Ala-D-Cys(Trt)-OH (CAS CATO-CPTD788289)
- Fmoc-β-Ala-Cys(Trt)-OH (CAS CATO-CPTD788299)
- Fmoc-D-(4,( Mtr)-guanido)Phe-OH (CAS 2044710-85-0)
- Fmoc-Ser(GalNAc(Ac)3-b-D)-OH (B-4235.0025) (CAS 1676104-71-4)
- Fmoc-Ser(GalNAc(Ac)3-α-D)-OH (CAS 120173-57-1)
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- Fmoc-Lys(Dabsyl)-OH (CAS 185503-97-3)
- Fmoc-(FmocHmb)Gly-OH (CAS 148515-84-8)
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