L-Tryptophan

제품 이름

L-Tryptophan, BioUltra, ≥99.5% (NT)

InChI

1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15)/t9-/m0/s1

InChI key

QIVBCDIJIAJPQS-VIFPVBQESA-N

SMILES string

N[C@@H](Cc1c[nH]c2ccccc12)C(O)=O

product line

BioUltra

assay

≥99.5% (NT)

form

powder or crystals

optical activity

[α]20/D −31.5±1°, c = 1% in H₂O

impurities

insoluble matter, passes filter test

ign. residue

≤0.1%

loss

≤0.1% loss on drying, 20 °C (HV)

color

white

mp

280-285 °C (dec.) (lit.)

solubility

0.5 M HCl: 0.1 g/mL at 20 °C, clear, colorless to faintly yellow

anion traces

chloride (Cl^-): ≤50 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

absorption

cut-off at 326 nm in 0.5 M HCl at 0.5 M

application(s)

cell analysis

Quality Level

100