H-Phe-Trp-NH? · HCl CAS 38678-69-2
| CAS No. | 38678-69-2 |
| Molecular Formula | C20H22N4O2 |
| 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 386.88 g/mol gives H-Phe-Trp-NH? · HCl distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
H-Phe-Trp-NH? · HCl (CAS 38678-69-2), molecular formula C20H22N4O2HCl and molecular weight 386.88 g/mol, is a CATO reference standard with documented purity and traceability.
H-Phe-Trp-NH? · HCl (C20H22N4O2HCl) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-Phe-Trp-NH? · HCl 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 | C20H22N4O2 HCl |
| Molecular Weight | 386.88 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°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.) | 1968 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Recommended Standards
- 2,4,5-Trichloroquinazoline (CAS 134517-55-8)
- 6-Fluoro-1-isopropyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 70032-21-2)
- 2-(4-Bromophenyl)-5-phenyl-1,3,4-oxadiazole (CAS 21510-43-0)
- 1-Benzyl 3-methyl (S)-pyrazolidine-1,3-dicarboxylate (CAS 635291-66-6)
- Sodium 1-(difluoromethyl)-1H-pyrazole-4-sulfinate (CAS 1101821-28-6)
- Methyl (2-fluorophenyl)carbamate (CAS 16664-12-3)
- 3,3,4-Trifluoropiperidine hydrochloride (CAS 2306272-40-0)
- D-Idose - Aqueous solution (CAS 5978-95-0)
- tert-Butyl 7-iodo-1H-indazole-1-carboxylate (CAS 1286754-19-5)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
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