4-Amino-L-phenylalanine
Also known as: (2S)-2-amino-3-(4-aminophenyl)propanoic acid, (S)-2-Amino-3-(4-aminophenyl)propionic acid, (S)-2-amino-3-(4-aminophenyl)propanoic acid, 4-Amino-L-Phe, 4-Amino-Phe, 4-Aminophenylalanine, Aminophenyalanine, H-L-Phe(4-NH2)-OH, H-Phe(4-NH2)-OH, L-2-Amino-3-(4-amino-phenyl)-propionic acid, L-4-Aminophenylalanine, L-4-NH2-Phe-OH, MFCD00069927, Phenylalanine, 4-amino-, p-Amino-L-phenylalanine, p-Aminophenylalanine, para-Aminophenylalanine, para-amino-l-phenylalanine
4-Amino-L-phenylalanine (CAS 943-80-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H12N2O2 and a molecular weight of 180.204 g/mol. Key properties include a boiling point of 383.5±32.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 185.8±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 943-80-6
- Jingsj CID
- J-799076-3
- Molecular Formula
- C9H12N2O2
- Molecular Weight
- 180.204 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 383.5±32.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 185.8±25.1 °C |
| Exact Mass | 180.089874 |
| PSA | 89.34000 |
| LogP | -0.17 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.630 |
Customs & Trade Information
| HS Code | 2922499990 |
|---|---|
| Summary | HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Amino-L-phenylalanine?
The CAS number of 4-Amino-L-phenylalanine is 943-80-6.
What are the molecular formula and molecular weight of 4-Amino-L-phenylalanine?
4-Amino-L-phenylalanine has molecular formula C9H12N2O2 and molecular weight 180.204 g/mol.
What are the upstream and downstream products of 4-Amino-L-phenylalanine?
For 4-Amino-L-phenylalanine, Upstream Products: 4-Nitro-L-phenylalanine, L-Phenylalanine; Downstream Products: 4-Nitro-L-phenylalanine, Fmoc-4-Amino-L-phenylalanine, Boc-3,5-dibromo-L-tyrosine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Amino-L-phenylalanine (CAS 943-80-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-799076-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.