L-Phenylalanine, N-[N-[(1,1-dimethylethoxy)carbonyl]-D-leucyl]-, phenylmethyl ester CAS 140834-91-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 140834-91-9 |
| Molecular Formula | C27H36N2O5 |
| Molecular Weight | 468.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies L-Phenylalanine, N-[N-[(1,1-dimethylethoxy)carbonyl]-D-leucyl]-, phenylmethyl ester (CAS 140834-91-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C27H36N2O5. Molecular weight: 468.59 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C27H36N2O5 |
| Molecular Weight | 468.59 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 2 |
Related L Standards
- D-Phenylalanine, N-[N-[(1,1-dimethylethoxy)carbonyl]-L-leucyl]-, phenylmethyl ester (CAS 159549-96-9)
- D-Phenylalanine, N-[N-[(1,1-dimethylethoxy)carbonyl]-D-leucyl]-, phenylmethyl ester (CAS 159549-97-0)
- L-Phenylalanine, N-[N-[(1,1-dimethylethoxy)carbonyl]-L-isoleucyl]-, phenylmethyl ester (CAS 75759-87-4)
- L-Phenylalanine,5-(acetyloxy)-n-trifluoroacetyL-2-trimethylstannyl,ethylester (CAS 148613-10-9)
- L-Phenylalanine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, 2-carboxy-2-[[(1,1-dimethylethoxy)carbonyl]amino]ethyl ester (CAS 944283-23-2)
- L-Phenylalanine, N-[2-(2-naphthalenyl)acetyl]- (CAS 934395-57-0)
- L-Phenylalanine, 4-chloro-N-[(1,1-dimethylethoxy)carbonyl]-2-fluoro- (CAS 1213690-82-4)
- D-Phenylalanine, N-[(1,1-dimethylethoxy)carbonyl]-N,β,β-trimethyl- (CAS 676487-38-0)
Recommended Standards
- PK-THPP (CAS 1332454-07-5)
- Ivabradine - API Standards (CAS 155974-00-8)
- Azido-PEG3-SS-PEG3-azide (CAS 1310827-27-0)
- 2-(Benzylamino)-1-(furan-2-yl)ethan-1-ol (CAS 146173-92-4)
- (2E)-3-[(Z)-[(2E)-1-(4-Methylphenyl)-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-ylidene]amino]but-2-enenitrile (CAS 866050-02-4)
- (9Z,12E)-Hexadeca-9,12-dienoic acid (CAS 5070-03-1)
- Trimesic Acid (CAS 554-95-0)
- Decyl Hexyl Phthalate (CAS 25724-58-7)
- 3-((4-Methoxyphenyl)amino)-5,5-dimethylcyclohex-2-en-1-one (CAS 24706-48-7)
- Characteristic MSH-Tetrapeptide (CAS 4289-02-5)
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 13829788188 / jacky.chen@cato-chem.com