L-Phenylalanine benzyl ester p-toluenesulfonate
Also known as: H-Phe-OBzl·Tos, H-L-Phe-OBzl PTSA, L-Phe-OBzl TsOH, L-phenylalanine benzyl ester 4-toluenesulfonate salt, L-phenylalanine benzyl ester tosylate, benzyl L-phenylalaninate 4-methylbenzenesulfonate, 3-Phenyl-L-alanine benzyl ester 4-toluenesulphonate, MFCD00066130, (2S)-1-(Benzyloxy)-1-oxo-3-phenyl-2-propanaminium 4-methylbenzenesulfonate
L-Phenylalanine benzyl ester p-toluenesulfonate (CAS 1738-78-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C23H25NO5S and a molecular weight of 427.513 g/mol. Key properties include a melting point of 168 °C, a boiling point of 382.8ºC at 760mmHg, a density of 1.142g/cm3 and a flash point of 220.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1738-78-9
- Jingsj CID
- J-8286-0
- Molecular Formula
- C23H25NO5S
- Molecular Weight
- 427.513 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 168 °C |
|---|---|
| Boiling Point | 382.8ºC at 760mmHg |
| Density | 1.142g/cm3 |
| Flash Point | 220.3ºC |
| Exact Mass | 427.145355 |
| PSA | 115.07000 |
| LogP | 5.32260 |
| Vapor Pressure | 4.62E-06mmHg at 25°C |
| Storage Conditions | −20°C |
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):1793-906. |
|---|
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 L-Phenylalanine benzyl ester p-toluenesulfonate?
The CAS number of L-Phenylalanine benzyl ester p-toluenesulfonate is 1738-78-9.
What are the molecular formula and molecular weight of L-Phenylalanine benzyl ester p-toluenesulfonate?
L-Phenylalanine benzyl ester p-toluenesulfonate has molecular formula C23H25NO5S and molecular weight 427.513 g/mol.
What are the upstream and downstream products of L-Phenylalanine benzyl ester p-toluenesulfonate?
For L-Phenylalanine benzyl ester p-toluenesulfonate, Upstream Products: L-Phenylalanine, p-Toluenesulfonic acid, Benzyl alcohol; Downstream Products: N-Formyl-L-methionyl-L-leucyl-L-phenylalanine, Ala-Phe, L-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. "L-Phenylalanine benzyl ester p-toluenesulfonate (CAS 1738-78-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8286-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.