243005
L-Cysteine, Free Base
Naturally-occurring non-essential amino acid.
Synonym(s):
L-Cysteine, Free Base, Cys
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$74.80
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About This Item
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Product Name
L-Cysteine, Free Base, Naturally-occurring non-essential amino acid.
SMILES string
SCC([N+H3])C(=O)[O-]
InChI
1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)
InChI key
XUJNEKJLAYXESH-UHFFFAOYSA-N
description
Merck USA index - 14, 2781
assay
≥98% (perchloric acid titration)
form
solid
optical activity
[α]20/D +8 to +9°, c = 5 in 1 M HCl
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
impurities
≤100 CFU/g Total microorganisms
≤24 EU/g Endotoxin
color
white
solubility
water: 10 mg/mL
1 M HCl: 50 mg/mL
cation traces
Fe: ≤10 ppm
heavy metals (as Pb): ≤0.001%
shipped in
ambient
storage temp.
15-25°C
Quality Level
Related Categories
1 of 4
This Item | C7352 | 95437 | 1.02838 |
|---|---|---|---|
| form solid | form crystalline powder | form - | form solid |
| assay ≥98% (perchloric acid titration) | assay ≥98% | assay - | assay - |
| storage temp. 15-25°C | storage temp. - | storage temp. 2-8°C | storage temp. 2-30°C |
| Quality Level 100 | Quality Level 200 | Quality Level 300 | Quality Level 100 |
| color white | color white | color - | color - |
| impurities ≤100 CFU/g Total microorganisms, ≤24 EU/g Endotoxin | impurities endotoxin, tested | impurities - | impurities - |
Disclaimer
General description
Packaging
Preparation Note
Legal Information
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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