Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

W373605

Sigma-Aldrich

L-Tyrosine

FG

Synonym(s):

(S)-2-Amino-3-(4-hydroxyphenyl)propionic acid, 3-(4-Hydroxyphenyl)-L-alanine

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
4-(HO)C6H4CH2CH(NH2)CO2H
CAS Number:
Molecular Weight:
181.19
FEMA Number:
3736
Beilstein:
392441
EC Number:
MDL number:
UNSPSC Code:
12164502
eCl@ss:
32160406
PubChem Substance ID:
Flavis number:
17.022
NACRES:
NA.21
grade:
FG
biological source:
corn
food allergen:
no known allergens

biological source

corn

Quality Level

grade

FG

reg. compliance

EU Regulation 1334/2008 & 872/2012
FDA 21 CFR 173.65

optical activity

[α]20/D −10.6°, c = 4 in 1 M HCl

mp

>300 °C (dec.) (lit.)

solubility

water: soluble 0.479 g/L at 25 °C

application(s)

flavors and fragrances

food allergen

no known allergens

Organoleptic

odorless

SMILES string

N[C@@H](Cc1ccc(O)cc1)C(O)=O

InChI

1S/C9H11NO3/c10-8(9(12)13)5-6-1-3-7(11)4-2-6/h1-4,8,11H,5,10H2,(H,12,13)/t8-/m0/s1

InChI key

OUYCCCASQSFEME-QMMMGPOBSA-N

Looking for similar products? Visit Product Comparison Guide

General description

L-Tyrosine is an important amino acid mainly used as a dietary supplement.
L-tyrosine, an aromatic amino acid, is used common dietary supplement that has a wide range of applications in food and pharmaceutical industry. It is a precursor for preparing industrially important compounds such as 3,4-dihydroxy-L-phenylalanine (L-DOPA), melanin and p-hydroxystyrene. L-tyrosine can be synthesized by different biotechnological methods which are ecofriendly.

Other Notes

Amino acid precursor of dopamine and other catecholamines

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service