Fmoc-HomoArg(Me)2-OH.HCl(Symmetrical) CAS 1998701-42-0
| CAS No. | 1998701-42-0 |
| Molecular Formula | C24H30N4O4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 474.99 g/mol gives Fmoc-HomoArg(Me)2-OH.HCl(Symmetrical) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Fmoc-HomoArg(Me)2-OH.HCl(Symmetrical) (CAS 1998701-42-0), a certified reference material (molecular formula C24H30N4O4HCl, MW 474.99 g/mol) for analytical method development and quality control.
Structurally, Fmoc-HomoArg(Me)2-OH.HCl(Symmetrical) (C24H30N4O4HCl) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 474.99 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), Fmoc-HomoArg(Me)2-OH.HCl(Symmetrical) 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.
Physical & Chemical Properties
| Molecular Formula | C24H30N4O4 HCl |
| Molecular Weight | 474.99 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Fmoc Standards
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- Fmoc-DL-Phe-OH (CAS 100750-05-8)
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- 3-(3,5-Dioxothiomorpholino)-2-methylbutanoic acid (CAS 1566859-49-1)
- 103244-41-3 Insulin-like Growth Factor-II fragment 33-40 Ser-Arg-Val-Ser-Arg-Arg-Ser-Arg (CAS 103244-41-3)
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