L-Proline

product name

L-Proline, BioUltra, ≥99.5% (NT)

product line

BioUltra

Quality Level

200

assay

≥99.5% (NT)

form

powder or crystals

optical activity

[α]20/D −85.0±1.0°, c = 5% in H₂O

technique(s)

cell culture | mammalian: suitable

impurities

insoluble matter, passes filter test
≤0.3% foreign amino acids

ign. residue

≤0.1%

loss

≤0.1% loss on drying, 20 °C (HV)

color

colorless to white

pH

6.0-7.0 (25 °C, 1 M in H₂O)

mp

228 °C (dec.) (lit.)

solubility

H₂O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤100 mg/kg
sulfate (SO₄^2-): ≤100 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
NH₄⁺: ≤20 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H₂O

UV absorption

λ: 260 nm A_max: 0.05
λ: 280 nm A_max: 0.05

SMILES string

OC(=O)[C@@H]1CCCN1

InChI

1S/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H,7,8)/t4-/m0/s1

InChI key

ONIBWKKTOPOVIA-BYPYZUCNSA-N