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Basic Description Specifications & Purity BioUltra, ≥98.5%(RT) Biochemical and Physiological Mechanisms Cysteine is one of the functional amino acids that regulates metabolism for growth, reproduction, maintenance and immunity. Cysteine provides the disulfide linkage in proteins. It is directly associated with the transport of sulfur. Taurine, a metabolic p Storage Temp Room temperature Shipped In Normal Grade BioUltra Product Description L-Cysteine has been used in quenching of unreacted maleimide during antibody grafting. It has also been used in the preparation of nitrosocysteine stock solution, that has been employed to induce S-nitrosylation to achieve reversible cysteine modification.
Names and Identifiers IUPAC Name (2R)-2-amino-3-sulfanylpropanoic acid INCHI 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 Canonical SMILES C(C(C(=O)O)N)S Isomeric SMILES C([C@@H](C(=O)O)N)S PubChem CID 5862 Molecular Weight 121.16 Beilstein 4506
Chemical and Physical Properties Solubility 1 M HCl: 1 M at 20 °C, clear, colorless Specific Rotation[α] 8.8 ° (C=8, 1mol/L HCl) Melt Point(°C) 220°C
Safety and Hazards(GHS) Pictogram(s) GHS07 Signal Warning Hazard Statements H315: Causes skin irritation
H319: Causes serious eye irritation
H335: May cause respiratory irritation
H302: Harmful if swallowed
Precautionary Statements P261: Avoid breathing dust/fume/gas/mist/vapors/spray.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352: IF ON SKIN: wash with plenty of water.
P321: Specific treatment (see ... on this label).
P405: Store locked up.
P501: Dispose of contents/container to ...
P264: Wash hands [and …] thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P270: Do not eat, drink or smoke when using this product.
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P362+P364: Take off contaminated clothing and wash it before reuse.
P330: Rinse mouth.
P264+P265: Wash hands [and …] thoroughly after handling. Do not touch eyes.
P301+P317: IF SWALLOWED: Get medical help.
P337+P317: If eye irritation persists: Get medical help.
P332+P317: If skin irritation occurs: Get medical help.
P319: Get medical help if you feel unwell.
Merck Index 2781
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