Fmoc-D-Lys(tBu)-OH.HCl CAS 2044710-47-4
| CAS No. | 2044710-47-4 |
| Molecular Formula | C25H32N2O4 |
| Molecular Weight | N/A |
| 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-D-Lys(tBu)-OH.HCl.
Fmoc-D-Lys(tBu)-OH.HCl (CAS 2044710-47-4) is a high-purity analytical reference standard with the molecular formula C25H32N2O4HCl and a molecular weight of 461.00 g/mol.
Structurally, Fmoc-D-Lys(tBu)-OH.HCl (C25H32N2O4HCl) 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 461.00 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).
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 | C25H32N2O4 HCl |
| Molecular Weight | 461.00 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| 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)
Recommended Standards
- 4-Aminoazobenzene-3,4'-disulfonic Acid Disodium Salt (CAS 2706-28-7)
- 2-Propenal, 3-(4-nitrophenyl)-, (2E)- 49678-08-2 CTK1D0684 (CAS 49678-08-2)
- 3-Hydroxybenzo[b]thiophene 1,1-dioxide (CAS 61670-15-3)
- Donepezil Impurity 29 (CAS 197010-25-6)
- 6-(Hydroxymethyl)piperidin-2-one (CAS 174419-15-9)
- 4-(Nonylamino)-4-oxobutanoic acid (CAS 111875-81-1)
- 2-(Bromoethynyl)furan (CAS 333952-15-1)
- 1-(2-Bromo-1,1,1,3,3,3-hexafluoropropan-2-yl)-2-methoxybenzene (CAS 70430-22-7)
- 3-(3-(2-Methoxyphenyl)propanoyl)benzonitrile (CAS 898769-71-6)
- Peptide Impurity 12 (CAS CATO-CPTD788812)
Why CATO?
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