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Substance Name: Tyrosine [USAN:INN]
RN: 60-18-4
UNII: 42HK56048U
InChIKey: OUYCCCASQSFEME-QMMMGPOBSA-N
Note
- A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.
Molecular Formula
- C9-H11-N-O3
Molecular Weight
- 181.19
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Classification Codes
- Amino Acid
- Mutation Data
- Reproductive Effect
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Names and Synonyms
Name of Substance
- L-Tyrosine
- Tyrosine
- Tyrosine [USAN:INN]
MeSH Heading
- Tyrosine
Synonyms
- (-)-alpha-Amino-p-hydroxyhydrocinnamic acid
- (S)-alpha-Amino-4-hydroxybenzenepropanoic acid
- (S)-Tyrosine
- 2-Amino-3-(4-hydroxyphenyl)propanoic acid, (S)-
- 4-Hydroxy-L-phenylalanine
- AI3-09055
- alpha-Amino-4-hydroxybenzenepropanoic acid, (S)-
- alpha-Amino-beta-(4-hydroxyphenyl)propionic acid
- alpha-Amino-p-hydroxyhydrocinnamic acid, (-)-
- Benzenepropanoic acid, alpha-amino-4-hydroxy-, (S)-
- beta-(p-Hydroxyphenyl)alanine
- EINECS 200-460-4
- FEMA No. 3736
- HSDB 2003
- L-2-Amino-3-p-hydroxyphenylpropanoic acid
- L-p-Tyrosine
- L-Phenylalanine, 4-hydroxy-
- L-Tyrosine
- NSC 82624
- p-Tyrosine
- Propanoic acid, 2-amino-3-(4-hydroxyphenyl)-, (S)-
- Tirosina
- Tirosina [Spanish]
- Tyrosine
- Tyrosine (VAN)
- Tyrosinum
- Tyrosinum [Latin]
- UNII-42HK56048U
Systematic Names
- L-Tyrosine
- Tyrosine
Superlist Name
- Tyrosine, L-
Registry Numbers
CAS Registry Number
- 60-18-4
FDA UNII
- 42HK56048U
Other Registry Numbers
- 1207451-88-4
- 140-43-2
- 1991-85-1
- 46209-14-7
- 55520-40-6
System Generated Number
- 0000060184
Structure Descriptors
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/s1InChIKey
OUYCCCASQSFEME-QMMMGPOBSA-NSmiles
C([C@H](Cc1ccc(O)Toxicity
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | > 1450mg/kg (1450mg/kg) | Yakugaku Zasshi. Journal of Pharmacy. Vol. 97, Pg. 1117, 1977. |
Physical Properties
| Physical Property | Value | Units | Temp (deg C) | Source |
|---|---|---|---|---|
| Melting Point | 343 dec | deg C | EXP | |
| pKa Dissociation Constant | 2.2 | (none) | 25 | EXP |
| log P (octanol-water) | -2.26E+00 | (none) | EXP | |
| Water Solubility | 479 | mg/L | 25 | EXP |
| Vapor Pressure | 1.26E-10 | mm Hg | 25 | EST |
| Henry's Law Constant | 6.28E-14 | atm-m3/mole | 25 | EST |
| Atmospheric OH Rate Constant | 8.20E-11 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.