![Molecular structure of Methyl 4-methyl-2-[(4-methylphenyl)sulfonylamino]pentanoate (CAS 51220-84-9)](/images/chem_structures_svg/393/51220-84-9.svg)
Methyl 4-methyl-2-[(4-methylphenyl)sulfonylamino]pentanoate
Also known as: Tos-Leu-OMe, N-p-Toluenesulfonyl-L-leucine methyl ester, (S)-N-p-toluenesulfonyl-leucine methyl ester, N-(Toluol-sulfonyl-(4))-L-leucin-methylester, N-(toluene-sulfonyl-(4))-L-leucine methyl ester, N-p-Toluolsulfonyl-L-leucin-methylester, 10G-329S, Methyl 4-methyl-2-[(4-methylphenyl)sulfonylamino]pentanoate, Leucine, N-[(4-methylphenyl)sulfonyl]-, methyl ester
Methyl 4-methyl-2-[(4-methylphenyl)sulfonylamino]pentanoate (CAS 51220-84-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H21NO4S and a molecular weight of 299.38600 g/mol. Key properties include a melting point of 54-56.5ºC, a boiling point of 411.1ºC at 760mmHg, a density of 1.153g/cm3 and a flash point of 202.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51220-84-9
- Jingsj CID
- J-1525138-4
- Molecular Formula
- C14H21NO4S
- Molecular Weight
- 299.38600 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 54-56.5ºC |
|---|---|
| Boiling Point | 411.1ºC at 760mmHg |
| Density | 1.153g/cm3 |
| Flash Point | 202.4ºC |
| Exact Mass | 299.11900 |
| PSA | 80.85000 |
| LogP | 3.33270 |
| Refractive Index | 1.513 |
Customs & Trade Information
| HS Code | 2935009090 |
|---|---|
| Summary | 2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0% |
Frequently Asked Questions
What is the CAS number of Methyl 4-methyl-2-[(4-methylphenyl)sulfonylamino]pentanoate?
The CAS number of Methyl 4-methyl-2-[(4-methylphenyl)sulfonylamino]pentanoate is 51220-84-9.
What are the molecular formula and molecular weight of Methyl 4-methyl-2-[(4-methylphenyl)sulfonylamino]pentanoate?
Methyl 4-methyl-2-[(4-methylphenyl)sulfonylamino]pentanoate has molecular formula C14H21NO4S and molecular weight 299.38600 g/mol.
What are the upstream and downstream products of Methyl 4-methyl-2-[(4-methylphenyl)sulfonylamino]pentanoate?
For Methyl 4-methyl-2-[(4-methylphenyl)sulfonylamino]pentanoate, Upstream Products: Methyl L-leucinate hydrochloride, p-Toluenesulfonyl chloride, L-Leucine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl 4-methyl-2-[(4-methylphenyl)sulfonylamino]pentanoate (CAS 51220-84-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525138-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.