Fmoc-Leu-Cys(Psi(Dmp,H)pro)-OH CAS 1926163-06-5
| CAS No. | 1926163-06-5 |
| Molecular Formula | C33H36N2O7S |
| Molecular Weight | 604.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Fmoc-Leu-Cys(Psi(Dmp,H)pro)-OH.
Fmoc-Leu-Cys(Psi(Dmp,H)pro)-OH (CAS 1926163-06-5), molecular formula C33H36N2O7S and molecular weight 604.72 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Fmoc-Leu-Cys(Psi(Dmp,H)pro)-OH (C33H36N2O7S) 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 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 604.72 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.
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.
Physical & Chemical Properties
| Molecular Formula | C33H36N2O7S |
| Molecular Weight | 604.72 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Fmoc Standards
- Fmoc-Asp(OtBu)-(Hmb)Gly-OH (CAS 502640-94-0)
- Fmoc-D-Asp(OtBu)-(Hmb)Gly-OH (CAS 1926163-00-9)
- Fmoc-Asp(EDANS)-OH (CAS 182253-73-2)
- Fmoc-D-Phe(4-Cl)-D-Phe(4-Cl)-OH (CAS CATO-CPTD788368)
- Fmoc-N'-Pbf-L-Orn (CAS CATO-CPTD788719)
- Fmoc-Asn(Trt)-OH (U-13C4, U-15N2) 1217456-18-2 (CAS 1217456-18-2)
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