| CAS No. | 131669-11-9 |
| Molecular Formula | C21H24N4O4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 432.90 g/mol gives L-Arginine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-, hydrochloride (1:1) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
L-Arginine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-, hydrochloride (1:1) (CAS 131669-11-9) is a high-purity analytical reference standard with the molecular formula C21H24N4O4HCl and a molecular weight of 432.90 g/mol.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, L-Arginine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-, hydrochloride (1:1) is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 432.90 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures L-Arginine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-, hydrochloride (1:1) under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C21H24N4O4 HCl |
| Molecular Weight | 432.90 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |