L-Carnitine inner salt

InChI

1S/C7H15NO3/c1-8(2,3)5-6(9)4-7(10)11/h6,9H,4-5H2,1-3H3/t6-/m1/s1

InChI key

PHIQHXFUZVPYII-ZCFIWIBFSA-N

SMILES string

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

assay

≥99.0% (NT)

optical activity

[α]20/D −31±1°, c = 10% in H₂O

ign. residue

≤0.1% (as SO₄)

loss

≤0.1% loss on drying

mp

197-212 °C (lit.)

solubility

H₂O: 0.1 g/mL at 20 °C, clear, colorless

cation traces

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, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤100 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

storage temp.

2-8°C