L-4-Cyanophenylalanine

Also known as: 4-Cyanophenylalanine, 4-CYANO-L-PHENYLALANINE, 4-CYANO-PHENYLALANINE, (S)-2-Amino-3-(4-cyanophenyl)propanoic acid, (2S)-2-amino-3-(4-cyanophenyl)propanoic acid, L-4-CYANOPHENYLALANINE, L-4-CYANOPHE, L-PHE(4-CN), L-(P-CYANO)PHENYLALANINE, L-4-Cyanphenylalanine, p-cyano-phenylalanine, para-Cyano-L-phenylalanine

L-4-Cyanophenylalanine (CAS 167479-78-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H10N2O2 and a molecular weight of 190.199 g/mol. Key properties include a melting point of -243ºC, a boiling point of 394.1±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 192.1±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 167479-78-9
Jingsj CID: J-1501342-0
Molecular Formula: C₁₀H₁₀N₂O₂
Molecular Weight: 190.199 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	-243ºC
Boiling Point	394.1±37.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	192.1±26.5 °C
Exact Mass	190.074234
PSA	87.11000
LogP	0.55
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.596
Storage Conditions	-15°C

Customs & Trade Information

HS Code	2926909090
Summary	HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of L-4-Cyanophenylalanine?

The CAS number of L-4-Cyanophenylalanine is 167479-78-9.

What are the molecular formula and molecular weight of L-4-Cyanophenylalanine?

L-4-Cyanophenylalanine has molecular formula C10H10N2O2 and molecular weight 190.199 g/mol.

What are the upstream and downstream products of L-4-Cyanophenylalanine?

For L-4-Cyanophenylalanine, Upstream Products: 2-acetamido-3-(4-cyanophenyl)propanoic acid, 4-Cyanobenzyl bromide, p-Tolunitrile; Downstream Products: (S)-N-Boc-4-Cyanophenylalanine, Fmoc-L-4-cyanophenylalanine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "L-4-Cyanophenylalanine (CAS 167479-78-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1501342-0 (accessed 2026-11-09).

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