H-Arg(Pbf)-OEt CAS 1801580-32-4
| CAS No. | 1801580-32-4 |
| Molecular Formula | C21H34N4O5S |
| Molecular Weight | 454.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 454.58 g/mol gives H-Arg(Pbf)-OEt distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies H-Arg(Pbf)-OEt (CAS 1801580-32-4), a certified reference material (molecular formula C21H34N4O5S, MW 454.58 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H34N4O5S, H-Arg(Pbf)-OEt 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 454.58 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.
CATO manufactures H-Arg(Pbf)-OEt 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.
Physical & Chemical Properties
| Molecular Formula | C21H34N4O5S |
| Molecular Weight | 454.58 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Recommended Standards
- Cilastatin Impurity 37 (CAS CATO-C4X-196037)
- N-Isopropyl Carvedilol-d6 (CAS 1246815-40-6)
- Estriol impurity 25 (CAS 55105-93-6)
- 11,17,21-Trihydroxy-pregn-5-ene-3,20-dione-d (CAS 134354-11-3)
- Methyl 2-(5-methylthiophen-3-yl)propanoate (CAS 1491915-03-7)
- 4-Methyl-N-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)pyrimidin-2-amine (CAS 1312535-39-9)
- 90033-85-5 4-Oxo-2-phenyl-1,4-dihydroquinoline-6-carboxylic acid DTXSID30540287 (CAS 90033-85-5)
- (S)-2-Amino-3-(1-benzyl-1H-imidazol-2-yl)propanoic acid (CAS 71239-92-4)
- 1-Cinnamylazepane (CAS 646450-06-8)
- Sildenafil Impurity 8 (CAS 139756-27-7)
- Tenoxicam EP Impurity F (CAS CATO-C4X-23834)
- n-Ethyl-3,4-dimethylaniline (CAS 27285-20-7)
- 3,6-Dichloro-2-(thiophen-2-yl)imidazo[1,2-b]pyridazine (CAS 483367-56-2)
- Semaglutide impurity 205 (CAS CATO-C4X-2226205)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com