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(S)-2-((tert-Butoxycarbonyl)amino)-3-(4-(methylsulfonamido)phenyl)propanoic acid

Also known as: Boc-4-[(methylsulfonyl)amino]-L-phenylalanine, BOC-L-PHE(4-NH-SO2-CH3), L-Phenylalanine, N-[(1,1-dimethylethoxy)carbonyl]-4-[(methylsulfonyl)amino]-, 2-((tert-butoxycarbonyl)amino)-3-(4-(methylsulfonamido)phenyl)propanoic acid

(S)-2-((tert-Butoxycarbonyl)amino)-3-(4-(methylsulfonamido)phenyl)propanoic acid (CAS 204856-74-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H22N2O6S and a molecular weight of 358.41000 g/mol. Key properties include a melting point of 130-133 °C and a density of 1.331±0.06 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
204856-74-6
Jingsj CID
J-858607-0
Molecular Formula
C15H22N2O6S
Molecular Weight
358.41000 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point130-133 °C
Density1.331±0.06 g/cm3(Predicted)
Exact Mass358.12000
PSA130.18000
LogP3.12320

Customs & Trade Information

HS Code2935009090
Summary2935009090 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 (S)-2-((tert-Butoxycarbonyl)amino)-3-(4-(methylsulfonamido)phenyl)propanoic acid?

The CAS number of (S)-2-((tert-Butoxycarbonyl)amino)-3-(4-(methylsulfonamido)phenyl)propanoic acid is 204856-74-6.

What are the molecular formula and molecular weight of (S)-2-((tert-Butoxycarbonyl)amino)-3-(4-(methylsulfonamido)phenyl)propanoic acid?

(S)-2-((tert-Butoxycarbonyl)amino)-3-(4-(methylsulfonamido)phenyl)propanoic acid has molecular formula C15H22N2O6S and molecular weight 358.41000 g/mol.

What are the upstream and downstream products of (S)-2-((tert-Butoxycarbonyl)amino)-3-(4-(methylsulfonamido)phenyl)propanoic acid?

For (S)-2-((tert-Butoxycarbonyl)amino)-3-(4-(methylsulfonamido)phenyl)propanoic acid, Upstream Products: (S)-Ethyl 3-(4-aminophenyl)-2-((tert-butoxycarbonyl)amino)propanoate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(S)-2-((tert-Butoxycarbonyl)amino)-3-(4-(methylsulfonamido)phenyl)propanoic acid (CAS 204856-74-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-858607-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.