30089
L-Cysteine
≥98.5% (RT), suitable for HPLC, BioUltra
동의어(들):
(R)-2-Amino-3-mercaptopropionic acid
크기 선택
제품정보 (DICE 배송 시 비용 별도)
제품 이름
L-Cysteine, BioUltra, ≥98.5% (RT)
product line
BioUltra
Quality Level
assay
≥98.5% (RT)
form
powder or crystals
optical activity
[α]20/D +8.0±0.5°, c = 5% in 5 M HCl
technique(s)
HPLC: suitable
impurities
insoluble matter, passes filter test, ≤0.5% foreign amino acids
ign. residue
≤0.05% (as SO4)
loss
≤0.05% loss on drying, 20 °C (HV)
color
white
mp
240 °C (dec.) (lit.)
solubility
1 M HCl: 1 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤100 mg/kg, sulfate (SO42-): ≤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, NH4+: ≤500 mg/kg, Na: ≤100 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
λ
1 M in 1 M HCl
UV absorption
λ: 260 nm Amax: 1.5, λ: 280 nm Amax: 0.2
SMILES string
N[C@@H](CS)C(O)=O
InChI
1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
InChI key
XUJNEKJLAYXESH-REOHCLBHSA-N
Application
Biochem/physiol Actions
저장 등급
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
문서
Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.