H-Val-Leu-Lys-pNA . 2 HCl (L-1450.0050) CAS 201807-16-1
| CAS No. | 201807-16-1 |
| Molecular Formula | C23H38N6O5 |
| Molecular Weight | N/A |
| 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.
CATO supplies H-Val-Leu-Lys-pNA . 2 HCl (L-1450.0050) (CAS 201807-16-1), a certified reference material (molecular formula C23H38N6O5HCl, MW 515.05 g/mol) for analytical method development and quality control.
Structurally, H-Val-Leu-Lys-pNA . 2 HCl (L-1450.0050) (C23H38N6O5HCl) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 515.05 g/mol, it falls into the moderately-high-molecular-weight range. 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 | C23H38N6O5 2*HCl |
| Molecular Weight | 515.05 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 6 |
Recommended Standards
- Imino(4-iodophenyl)(methyl)-l6-sulfanone (CAS 2362002-14-8)
- (1H-Pyrrol-1-yl)(1H-pyrrol-2-yl)methanone (CAS 16168-90-4)
- (4-((Diphenylmethylene)amino)-3,5-diisopropylphenyl)boronicacid (CAS 849438-98-8)
- (3R,4R)-4-Ethoxy-1-methylpyrrolidin-3-ol (CAS 2368910-96-5)
- 4-Benzyl-2-methylbenzene-1,3-diol (CAS 60453-86-3)
- 5-Chloro-2-(3-(3-iodobenzoyl)thioureido)benzoic acid (CAS 531539-93-2)
- 1-[(3-fluorophenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carboxylic acid (CAS 941869-24-5)
- Potassium 2-isocyanoacetate (CAS 58948-98-4)
- N-(2-Methoxyethyl)-4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2-carboxamide (CAS 2773324-32-4)
- Semaglutide Impurity 186 (CAS CATO-C4X-2226186)
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