L-Isoleucine

InChI

1S/C6H13NO2/c1-3-4(2)5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t4-,5-/m0/s1

InChI key

AGPKZVBTJJNPAG-WHFBIAKZSA-N

SMILES string

CC[C@H](C)[C@H](N)C(O)=O

assay

≥99.0% (NT)

optical activity

[α]20/D +41.0±1°, c = 5% in 6 M HCl

impurities

≤0.5% foreign amino acids

ign. residue

≤0.1% (as SO₄)

loss

≤0.1% loss on drying, 110 °C

mp

288 °C (dec.) (lit.)

anion traces

chloride (Cl^-): ≤100 mg/kg, sulfate (SO₄^2-): ≤100 mg/kg

cation traces

Ca: ≤50 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, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, NH₄⁺: ≤100 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

Quality Level

100