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Boc-α-methyl-D-phenylalanine

Also known as: BOC-ALPHA-METHYL-D-PHE, Boc-D-alpha-Me-Phe-OH, BOC-ALPHA-BENZYL-D-ALA, BOC-ALPHA-METHYL-D-PHENYLALANINE, Boc-D-a-Methylphenylalanine, N-BOC-A-METHYL-D-PHENYLALANINE, BOC-(R)-2-AMINO-2-METHYL-3-PHENYLPROPANOIC ACID, α-Methyl-N-{[(2-methyl-2-propanyl)oxy]carbonyl}-D-phenylalanine

Boc-α-methyl-D-phenylalanine (CAS 53940-88-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H21NO4 and a molecular weight of 279.332 g/mol. Key properties include a boiling point of 432.1±38.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 215.1±26.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
53940-88-8
Jingsj CID
J-1381801-4
Molecular Formula
C15H21NO4
Molecular Weight
279.332 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point432.1±38.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point215.1±26.8 °C
Exact Mass279.147064
PSA75.63000
LogP3.31
Vapor Pressure0.0±1.1 mmHg at 25°C
Refractive Index1.526

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 Boc-α-methyl-D-phenylalanine?

The CAS number of Boc-α-methyl-D-phenylalanine is 53940-88-8.

What are the molecular formula and molecular weight of Boc-α-methyl-D-phenylalanine?

Boc-α-methyl-D-phenylalanine has molecular formula C15H21NO4 and molecular weight 279.332 g/mol.

What are the upstream and downstream products of Boc-α-methyl-D-phenylalanine?

For Boc-α-methyl-D-phenylalanine, Upstream Products: Di-tert-butyl dicarbonate, α-Methyl-L-phenylalanine, Benzyl bromide.

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

Last updated:

How to cite: Jingsj. "Boc-α-methyl-D-phenylalanine (CAS 53940-88-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1381801-4 (accessed 2026-11-09).

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