L(-)-Tyrosine, off-white powder cell culture reagent

Supplier: MP Biomedicals

Synonyms: L-Tyrosine, (S)-(-)-Tyrosine, Tyrosine, H-Tyr-OH

0219475950 0219475980 0219475990
ICNA0219475950EA 149 SGD
ICNA0219475950 ICNA0219475980 ICNA0219475990
L(-)-Tyrosine, off-white powder cell culture reagent
L(-)-Tyrosine

Storage: Store at room temperature (15-30 °C)
L-Tyrosine is one of the three aromatic amino acids, and is formed from the hydroxylation of phenylalanine.
L-Tyrosine is used in cell culture media and is a component of MEM amino acids solution. L-Tyrosine has been used in a cell culture study of the amino acid transport system b0,+ in epithelial cells isolated from chicken jejunum.


  • Cell Culture Reagent Grade
  • Extinction Coefficient (E1%): EmM = 8.2 (223 nm), 1.4 (274.5 nm), in 0.1 M HCl; 11.05 (240 nm), 2.33 (293 nm), in 0.1 N NaOH (Lit.)
  • Isoelectric Point (pl): 5.63 (Lit.)
  • pKa: 2.20 (-COOH), 9.21 (a-NH2), 10.46 (phenolic OH) (Lit.)
  • Solubility in water ~45mg/100 mL. Soluble in alkaline and acidic aqueous solution.

Formula: C₉H₁₁NO₃
MW: 181,19 g/mol
Melting Pt: 342…344 °C (lit.)
Density: 1,4 g/mL (lit.)
Storage Temperature: Ambient
MDL Number: MFCD00002606
CAS Number: 60-18-4

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Specification Test Results

Identity Test Passes
FTIR Conforms to Standard
UV/VIS: I max (water) 270 - 275 nm
Loss on Drying <0.5%
Optical Rotation (c=4, 1N HCl) -9.0° to -12.0°

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