N-Phthaloyl-L-phenylalanine
Also known as: N-Phthaloyl-Phe-OH, N-Pht-Phe-OH, Pht-Phe-OH, Phthaloyl-L-phenylalanine, (S)-N-Phthaloylphenylalanine, (2S)-2-(1,3-dioxoisoindol-2-yl)-3-phenylpropanoic acid, N-PHTHALOYL-L-PHENYLALANINE, Phthalyl-L-phenylalanine
N-Phthaloyl-L-phenylalanine (CAS 5123-55-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H13NO4 and a molecular weight of 295.289 g/mol. Key properties include a melting point of 181-185ºC, a boiling point of 498.0±38.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 255.0±26.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5123-55-7
- Jingsj CID
- J-848972-3
- Molecular Formula
- C17H13NO4
- Molecular Weight
- 295.289 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 181-185ºC |
|---|---|
| Boiling Point | 498.0±38.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 255.0±26.8 °C |
| Exact Mass | 295.084473 |
| PSA | 74.68000 |
| LogP | 3.40 |
| Appearance | Powder | White |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.660 |
| Additional Property | Soluble in methanol. (almost transparency) |
Customs & Trade Information
| HS Code | 2925190090 |
|---|---|
| Summary | 2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of N-Phthaloyl-L-phenylalanine?
The CAS number of N-Phthaloyl-L-phenylalanine is 5123-55-7.
What are the molecular formula and molecular weight of N-Phthaloyl-L-phenylalanine?
N-Phthaloyl-L-phenylalanine has molecular formula C17H13NO4 and molecular weight 295.289 g/mol.
What are the upstream and downstream products of N-Phthaloyl-L-phenylalanine?
For N-Phthaloyl-L-phenylalanine, Upstream Products: Phthalic anhydride, L-Phenylalanine, L-Phenylalanine hydrochloride; Downstream Products: (3S,4aS,8aS)-2-[(2R,3S)-3-Amino-2-hydroxy-4-phenylbutyl]-N-tert-butyldecahydroisoquinoline-3-carboxamide, Saquinavir, trans-Cinnamic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N-Phthaloyl-L-phenylalanine (CAS 5123-55-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-848972-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.