243005
L-Cysteine, Free Base
Naturally-occurring non-essential amino acid.
Synonym(s):
L-Cysteine, Free Base, Cys
About This Item
Recommended Products
Quality Level
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
InChI
1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)
InChI key
XUJNEKJLAYXESH-UHFFFAOYSA-N
Related Categories
General description
Packaging
Warning
Reconstitution
Legal Information
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
ISHL Indicated Name
Substances Subject to be Indicated Names
ISHL Notified Names
Substances Subject to be Notified Names
JAN Code
243005-100GM:
243005-1KG:
243005-GM:
243005-25GM:
Certificates of Analysis (COA)
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