H-Ala-Ala-Phe-pNA TFA salt CAS 61043-41-2(Free Base)
| CAS No. | 61043-41-2(Free Base) |
| Molecular Formula | C21H25N5O5 |
| 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 541.48 g/mol gives H-Ala-Ala-Phe-pNA TFA salt distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
H-Ala-Ala-Phe-pNA TFA salt (CAS 61043-41-2(Free Base)) is a high-purity analytical reference standard with the molecular formula C21H25N5O5C2HF3O2 and a molecular weight of 541.48 g/mol.
H-Ala-Ala-Phe-pNA TFA salt (C21H25N5O5C2HF3O2) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine 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. 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-Ala-Ala-Phe-pNA TFA salt 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 | C21H25N5O5 C2HF3O2 |
| Molecular Weight | 541.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 5 |
Recommended Standards
- (R)-methyl 5-(6-(pivaloyloxymethyl)-1H-benzo[d]imidazol-1-yl)-3-(1-(2-(trifluoromethyl)phenyl)ethoxy)thiophene-2-carboxylate (CAS 929095-38-5)
- (S)-1-(3-bromopyridin-2-yl)ethan-1-ol hydrochloride (CAS 1909294-78-5)
- 1H-imidazo[4,5-c]pyridine-4-carbonitrile (CAS 1078168-19-0)
- 7-Bromo-8-chloro-3,4-dihydroquinoxalin-2(1H)-one (CAS 2088164-83-2)
- 4-Bromo-1-(p-tolyl)-1H-imidazole (CAS 1353856-88-8)
- (S)-2-Amino-3-(6-fluoropyridin-3-yl)propanoic acid (CAS 169555-93-5)
- 2,4-Diphenyl-6-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)pyrimidine (CAS 1536209-84-3)
- 3'-Cyano-3-methyl-[1,1'-biphenyl]-2-carboxylic acid (CAS 1261945-22-5)
- (R)-2-acetamido-N-(3-(((2-aminoethyl)amino)methyl)benzyl)-3-methoxypropanamide (CAS 1638744-64-5)
- Glucagon receptor antagonists-2 (CAS 202917-18-8)
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