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(S)-N-Boc-3-Amino-3-phenylpropanoic acid

Also known as: (S)-3-((tert-Butoxycarbonyl)amino)-3-phenylpropanoic acid, (S)-3-(Boc-amino)-3-phenylpropionic acid, (S)-N-Boc-3-Amino-3-phenylpropanoic acid, (S)-Boc-β-phenylalanine, Boc-(S)-3-Amino-3-phenylpropionic acid, (S)-3-{[(tert-butoxy)carbonyl]amino}-3-phenylpropanoic acid, MFCD01860892

(S)-N-Boc-3-Amino-3-phenylpropanoic acid (CAS 103365-47-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H19NO4 and a molecular weight of 264.298 g/mol. Key properties include a melting point of 122.9ºC, a boiling point of 423.2±38.0 °C at 760 mmHg, a density of 1.158g/cm3 and a flash point of 209.8±26.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
103365-47-5
Jingsj CID
J-34776-2
Molecular Formula
C14H19NO4
Molecular Weight
264.298 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point122.9ºC
Boiling Point423.2±38.0 °C at 760 mmHg
Density1.158g/cm3
Flash Point209.8±26.8 °C
Exact Mass264.124146
PSA75.63000
LogP2.72
Vapor Pressure0.0±1.1 mmHg at 25°C

Customs & Trade Information

HS Code2924299090
Summary2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (S)-N-Boc-3-Amino-3-phenylpropanoic acid?

The CAS number of (S)-N-Boc-3-Amino-3-phenylpropanoic acid is 103365-47-5.

What are the molecular formula and molecular weight of (S)-N-Boc-3-Amino-3-phenylpropanoic acid?

(S)-N-Boc-3-Amino-3-phenylpropanoic acid has molecular formula C14H19NO4 and molecular weight 264.298 g/mol.

What are the upstream and downstream products of (S)-N-Boc-3-Amino-3-phenylpropanoic acid?

For (S)-N-Boc-3-Amino-3-phenylpropanoic acid, Upstream Products: Di-tert-butyl dicarbonate, DL-β-Phenylalanine, (S)-tert-butyl (3-hydroxy-1-phenylpropyl)carbamate; Downstream Products: (S)-tert-butyl (3-hydroxy-1-phenylpropyl)carbamate.

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)-N-Boc-3-Amino-3-phenylpropanoic acid (CAS 103365-47-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34776-2 (accessed 2026-11-09).

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