Basic information
- Name:
D-Tyrosine
- CAS No.:
556-02-5
- Molecular Structure:
- Formula:
- C9H11NO3
- Molecular Weight:
- 181.19
- Synonyms:
- (R)-3-(p-Hydroxyphenyl)alanine;D-Tyrosin;(R)-2-Amino-3-(p-hydroxyphenyl)propionic acid;H-D-Tyr-OH;D-Tyrosine(556-02-5);
- EINECS:
- 209-112-6
- Density:
- 1.333 g/cm3
- Melting Point:
- >300 °C(lit.)
- Boiling Point:
- 385.2 °C at 760 mmHg
- Flash Point:
- 186.7 °C
- Solubility:
- soluble in water
- Appearance:
- white to off-white powder
- Hazard Symbols:
Xn- Risk Codes:
- 36/37/38
- Safety Description:
- 26-36-24/25 Details
- particular:
- particular
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Chemistry
Molecular Structure:
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Molecular Formula: C9H11NO3
Molecular Weight: 181.1885
IUPAC Name: (2R)-2-Amino-3-(4-hydroxyphenyl)propanoic acid
Synonyms of D-Tyrosine (CAS NO.556-02-5): EINECS 209-112-6 ; (R)-(+)-Tyrosine;rarechem ab pp 1343 ; (R)-(+)-3-(4-Hydroxyphenyl)-d-alanine ; (R)-2-Amino-3-(4-hydroxyphenyl)propionic acid;TYROSINE, D- ; 3-(4-Hydroxyphenyl)-d-alanine ; D-3-(4-Hydroxyphenyl)alanine;d(+)-tyrosine
CAS NO: 556-02-5
Product Categories: Amino Acids Derivatives ; AMINO ACIDS ; Tyrosine [Tyr, Y] ; Amino Acids and Derivatives ; alpha-Amino Acids ; Biochemistry ; Amino Acids and Derivatives
Melting point: >300 °C
Index of Refraction: 1.614
Molar Refractivity: 47.37 cm3
Molar Volume: 135.8 cm3
Surface Tension: 65.7 dyne/cm
Density: 1.333 g/cm3
Flash Point: 186.7 °C
Enthalpy of Vaporization: 66.87 kJ/mol
Boiling Point: 385.2 °C at 760 mmHg
Vapour Pressure: 1.27E-06 mmHg at 25°C
Uses
D-Tyrosine (CAS NO.556-02-5) is an amino acid synthesized in the body from the essential amino acid phenylalanine. And it has been used to treat sleep disorders, enhance cognitive function, and alleviate symptoms of ADD.
Safety Profile
Hazard Codes of D-Tyrosine (CAS NO.556-02-5): 
Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-24/25
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
S24/25: Avoid contact with skin and eyes.
WGK Germany: 3