Fmoc-D-Lys-OH · HCl CAS 201002-47-3
| CAS No. | 201002-47-3 |
| Molecular Formula | C21H24N2O4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Fmoc-D-Lys-OH · HCl meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Fmoc-D-Lys-OH · HCl (CAS 201002-47-3), molecular formula C21H24N2O4HCl and molecular weight 404.89 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Fmoc-D-Lys-OH · HCl (C21H24N2O4HCl) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 404.89 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C21H24N2O4 HCl |
| Molecular Weight | 404.89 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Fmoc Standards
- Fmoc-Ser(tBu)-Ser(Psi(Me,Me)pro)-OH (CAS 1000164-43-1)
- Fmoc-Gly-Gly-Gly-Gly-OH (CAS 1001202-16-9)
- N-Fmoc-2,5-difluoro-L-phenylalanine (CAS 1004959-90-3)
- Fmoc-DL-Phe-OH (CAS 100750-05-8)
- Fmoc-D-Homocys(Trt)-OH (CAS 1007840-62-1)
- Fmoc-Glu(OtBu)-OSu (CAS 101214-22-6)
- Fmoc-Glu(OtBu)-Glu(OtBu)-OH (CAS 101214-23-7)
- Fmoc-Phe-OSu (CAS 101214-43-1)
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