(S)-2-(5-(Dimethylamino)naphthalene-1-sulfonamido)-5-guanidinopentanoic acid CAS 28217-22-3
| CAS No. | 28217-22-3 |
| Molecular Formula | C18H25N5O4S |
| Molecular Weight | 407.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(S)-2-(5-(Dimethylamino)naphthalene-1-sulfonamido)-5-guanidinopentanoic acid (CAS 28217-22-3) is a high-purity analytical reference standard with the molecular formula C18H25N5O4S and a molecular weight of 407.49 g/mol.
Based on its molecular formula C18H25N5O4S, (S)-2-(5-(Dimethylamino)naphthalene-1-sulfonamido)-5-guanidinopentanoic acid contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 407.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C18H25N5O4S |
| Molecular Weight | 407.49 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related S Standards
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Recommended Standards
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- Metrenperone (CAS 81043-56-3)
- 2-(2-{[5-(4-tert-butylphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}ethyl)-2,3-dihydro-1H-isoindole-1,3-dione (CAS 477857-45-7)
- (R)-1-(2,4-dimethoxyphenyl)-2-methoxyethan-1-amine (CAS 1270047-80-7)
- 3-N-BOc-aminoazetidine acetate (CAS 218430-15-0)
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- 3-(5-(4-(tert-butoxycarbonyl)-2-oxopiperazin-1-yl)furan-2-yl)propanoic acid (CAS CATO-C3D-262284)
- 4-((2-Chloro-3-phenylallylidene)amino)-3-(2-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 497920-22-6)
- 1,1'-(Pyridine-3,5-diyl)diethanone (CAS 1199-61-7)
- Methyl 4-(N-(3-methylbenzo[b]thiophen-2-yl)sulfamoyl)benzoate (CAS 1104631-31-3)
- 2-Bromo-3,7,8-trichlorodibenzo-p-dioxin (CAS 109333-33-7)
- 4-[2-(Thiophen-2-yl)-1,3-thiazol-5-yl]pyrimidin-2-amine (CAS 1823184-33-3)
- Palmitoyl hexapeptide-6 (CAS 891498-01-4)
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