30199
L-Cystine
BioUltra, ≥99.5% (T)
Synonym(s):
(R,R)-3,3′-Dithiobis(2-aminopropionicacid)
About This Item
Recommended Products
product line
BioUltra
assay
≥99.5% (T)
form
powder or crystals
optical activity
[α]20/D −219±5°, c = 1% in 1 M HCl
impurities
insoluble matter, passes filter test
≤0.3% 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: 0.2 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤500 mg/kg
sulfate (SO42-): ≤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: ≤10 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
absorption
cut-off at 316 nm in 1 M HCl at 0.2 M
SMILES string
N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O
InChI
1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1
InChI key
LEVWYRKDKASIDU-IMJSIDKUSA-N
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Other Notes
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Certificates of Analysis (COA)
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