Z-Leu-Tyr-NH2 CAS 17263-42-2
| CAS No. | 17263-42-2 |
| Molecular Formula | C23H29N3O5 |
| Molecular Weight | 427.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Z-Leu-Tyr-NH2 is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Z-Leu-Tyr-NH2 (CAS 17263-42-2) is a high-purity analytical reference standard with the molecular formula C23H29N3O5 and a molecular weight of 427.49 g/mol.
Based on its molecular formula C23H29N3O5, Z-Leu-Tyr-NH2 contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 427.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), Z-Leu-Tyr-NH2 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C23H29N3O5 |
| Molecular Weight | 427.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 3 |
Recommended Standards
- (E)-4-((1-(dimethylamino)-3-(2-(3-methoxyphenethyl)phenoxy)propan-2-yl)oxy)-4-oxobut-2-enoic acid (CAS CATO-C4X-291342)
- Lasiocarpine N-Oxide (CAS 127-30-0)
- Sarpogrelate Impurity 12 (CAS CATO-C4X-291312)
- 2-(2-Acetyl-1,2-dihydroisoquinolin-1-yl)-1-(5-methyl-2,3,4,5-tetrahydro-1H-[1,4]diazepino[2,3-b]quinoxalin-1-yl)ethanone (CAS 1014756-97-8)
- 1-((Benzyloxy)methyl)cyclopropane-1-carbaldehyde (CAS 288401-39-8)
- N-(2,6-Dimethylphenyl)isoxazole-3-carboxamide (CAS 130402-96-9)
- (R)-8-(2-Amino-1-hydroxyethyl)-6-hydroxy-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 2138872-60-1)
- Ethyl 2-amino-2-(oxan-4-yl)acetate hydrochloride (CAS 1423025-06-2)
- N-(3,4-Dichlorophenyl)-2-(2-methyl-3,5-dioxothiomorpholino)acetamide (CAS 868215-99-0)
- Amino-PEG4-Val-Cit-PAB-MMAE (CAS 1492056-71-9)
- Methyl 6-chloro-1,5-dihydroimidazo[1,2-a]pyridine-8-carboxylate (CAS 1272758-29-8)
- 7-Phenylimidazo[1,2-a]pyridine-6-carboxylic acid (CAS 52855-90-0)
- (E)-4-(dimethylamino)but-3-en-2-one 2802-08-6 trans-4-(Dimethylamino)-3-buten-2-one (CAS 2802-08-6)
- Calcitonin N-Terminal Flanking Peptide (human) (CAS 118277-01-3)
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