L-精氨酸

产品名称

L-精氨酸, BioUltra, ≥99.5% (NT)

InChI key

ODKSFYDXXFIFQN-BYPYZUCNSA-N

InChI

1S/C6H14N4O2/c7-4(5(11)12)2-1-3-10-6(8)9/h4H,1-3,7H2,(H,11,12)(H4,8,9,10)/t4-/m0/s1

SMILES string

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

product line

BioUltra

assay

≥99.5% (NT)

form

powder or crystals

optical activity

[α]20/D +27.0±0.5°, c = 5% in 5 M HCl

impurities

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

ign. residue

≤0.05% (as SO₄)

loss

≤0.1% loss on drying, 20 °C (HV)

color

white

pH

10.5-12.0 (25 °C, 0.5 M in H₂O)

mp

222 °C (dec.) (lit.)

solubility

H₂O: 0.5 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
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.5 M in H₂O

UV absorption

λ: 260 nm A_max: ≤0.2
λ: 280 nm A_max: ≤0.1

application(s)

peptide synthesis

Quality Level

100

Gene Information

human ... NOS1(4842), NOS2(4843)
rat ... Ppm1a(24666)