L-m-Tyrosine

Also known as: (S)-2-Amino-3-(3-hydroxyphenyl)propanoic acid, 3-HYDROXY-L-PHENYLALANINE, H-M-TYR-OH, H-S-META-TYR-OH, L-3-HYDROXY-PHENYLALANINE, L-M-TYR, L-M-TYROSINE, L-META-TYROSINE, META-TYROSINE, Metatyrosine, MFCD00063059

L-m-Tyrosine (CAS 587-33-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H11NO3 and a molecular weight of 181.189 g/mol. Key properties include a melting point of 260-270ºC, a boiling point of 387.2±32.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 188.0±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 587-33-7
Jingsj CID: J-1001806-1
Molecular Formula: C₉H₁₁NO₃
Molecular Weight: 181.189 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	260-270ºC
Boiling Point	387.2±32.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	188.0±25.1 °C
Exact Mass	181.073898
PSA	83.55000
LogP	0.38
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.614
Storage Conditions	Store at RT.

Activity & Biological Data

Additional Information	[1]. M H Fukami ,et al. Phenylalanine as Substrate for Tyrosine Hydroxylase in Bovine Adrenal Chromaffin Cells. Biochem J. 1990 Jun 1;268(2):525-8.

Frequently Asked Questions

What is the CAS number of L-m-Tyrosine?

The CAS number of L-m-Tyrosine is 587-33-7.

What are the molecular formula and molecular weight of L-m-Tyrosine?

L-m-Tyrosine has molecular formula C9H11NO3 and molecular weight 181.189 g/mol.

What are the upstream and downstream products of L-m-Tyrosine?

For L-m-Tyrosine, Upstream Products: 3-Benzyloxybenzyl bromide, 3-Benzyloxybenzyl alcohol, DL-m-Tyrosine; Downstream Products: N-Boc-3-hydroxy-L-phenylalanine, 3,4-Dihydroxyhydrocinnamic acid, Levodopa.

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-m-Tyrosine (CAS 587-33-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001806-1 (accessed 2026-11-09).

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