α-Methyl-L-phenylalanine
Also known as: (S)-2-Amino-2-methyl-3-phenylpropanoic acid, (S)-2-Amino-2-methyl-3-phenylpropionic acid, (S)-2-Methylphenylalanine, 2-Methyl-L-phenylalanine, 2-Methyl-L-phenylalanine monohydrate, Alpha-Me-L-Phe-OH, H-(Me)Phe-OH, L-alpha-methylphenylalanine, MFCD00145244
α-Methyl-L-phenylalanine (CAS 23239-35-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H13NO2 and a molecular weight of 179.216 g/mol. Key properties include a melting point of 244-246 °C, a boiling point of 312.8±30.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 143.0±24.6 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 23239-35-2
- Jingsj CID
- J-42598-9
- Molecular Formula
- C10H13NO2
- Molecular Weight
- 179.216 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 244-246 °C |
|---|---|
| Boiling Point | 312.8±30.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 143.0±24.6 °C |
| Exact Mass | 179.094635 |
| PSA | 72.55000 |
| LogP | 1.46 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.566 |
| Additional Property | soluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Activity & Biological Data
| Additional Information | [1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-826. |
|---|
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 α-Methyl-L-phenylalanine?
The CAS number of α-Methyl-L-phenylalanine is 23239-35-2.
What are the molecular formula and molecular weight of α-Methyl-L-phenylalanine?
α-Methyl-L-phenylalanine has molecular formula C10H13NO2 and molecular weight 179.216 g/mol.
Is α-Methyl-L-phenylalanine hazardous?
α-Methyl-L-phenylalanine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of α-Methyl-L-phenylalanine?
For α-Methyl-L-phenylalanine, Upstream Products: Ethyl (S)-2-amino-3-(o-tolyl)propanoate, Benzyl bromide; Downstream Products: (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-methyl-3-phenylpropanoic acid, Ethyl (S)-2-amino-3-(o-tolyl)propanoate, Boc-α-methyl-D-phenylalanine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "α-Methyl-L-phenylalanine (CAS 23239-35-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42598-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.