Z-Leu-ONp CAS 1738-87-0
Purity >95%In StockPharmaceutical Standards
| CAS No. | 1738-87-0 |
| Molecular Formula | C20H22N2O6 |
| Molecular Weight | 386.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Z-Leu-ONp (CAS 1738-87-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C20H22N2O6. Molecular weight: 386.41 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C20H22N2O6 |
| Molecular Weight | 386.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Cinacalcet Impurity 99 (CAS CATO-C4X-105999)
- 2-((1,1-Dioxidotetrahydrothiophen-3-yl)amino)-2-oxoethyl 2-(1,3-dioxooctahydro-2H-isoindol-2-yl)acetate (CAS 1005057-81-7)
- N-Nitroso Cinacalcet Impurity 5 (CAS CATO-C4X-105976)
- (S)-(+)-N-3-Benzylnirvanol (CAS 790676-40-3)
- Isopropylparaben (CAS 4191-73-5)
- 2-Bromo-N-[4-(3-phenylpropoxy)phenyl]acetamide (CAS 1138442-41-7)
- Lenalidomide Impurity 32 (CAS CATO-C4X-190332)
- 3-(4-Methoxy-3-(trifluoromethyl)phenyl)propanoic acid (CAS 1005205-20-8)
- tert-Butyl 3,5-dioxo-2,9-diazaspiro[5.5]undecane-9-carboxylate (CAS 1245917-55-8)
- Tirzepatide Impurity 26 X TFA Salt (CAS CATO-C4X-324026)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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