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3-(acetylamino)-3-phenylpropanoic acid

Also known as: N-Acetyl-DL-β-phenylalanine, N-Acetyl-DL-2-phenylalanine, N-Acetyl-beta-phenyl-beta-alanine, N-ACETYL-3-PHENYL-DL-BETA-ALANINE, 3-Acetamido-3-phenylpropanoic acid, 3-Acetylamino-3-phenyl-propionic acid, Benzenepropanoic acid, β-(acetylamino)-, Ac-DL-β-Phe-OH

3-(acetylamino)-3-phenylpropanoic acid (CAS 40638-98-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H13NO3 and a molecular weight of 207.22600 g/mol. Key properties include a boiling point of 449.2ºC at 760 mmHg, a density of 1.197g/cm3 and a flash point of 225.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
40638-98-0
Jingsj CID
J-1430184-9
Molecular Formula
C11H13NO3
Molecular Weight
207.22600 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point449.2ºC at 760 mmHg
Density1.197g/cm3
Flash Point225.5ºC
Exact Mass207.09000
PSA66.40000
LogP1.72940
Refractive Index1.547

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 3-(acetylamino)-3-phenylpropanoic acid?

The CAS number of 3-(acetylamino)-3-phenylpropanoic acid is 40638-98-0.

What are the molecular formula and molecular weight of 3-(acetylamino)-3-phenylpropanoic acid?

3-(acetylamino)-3-phenylpropanoic acid has molecular formula C11H13NO3 and molecular weight 207.22600 g/mol.

What are the upstream and downstream products of 3-(acetylamino)-3-phenylpropanoic acid?

For 3-(acetylamino)-3-phenylpropanoic acid, Upstream Products: DL-3-Amino-3-phenylpropionic acid, Benzaldehyde; Downstream Products: Methyl (R)-3-acetamido-3-phenylpropanoate, DL-β-Phenylalanine, (R)-3-Amino-3-phenylpropan-1-ol.

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

Last updated:

How to cite: Jingsj. "3-(acetylamino)-3-phenylpropanoic acid (CAS 40638-98-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1430184-9 (accessed 2026-11-09).

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