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3374-22-9

3374-22-9 structural image
Product Name: DL-Cysteine
Formula: C3H7NO2S
Synonyms: (±)-2-Amino-3-mercaptopropionic acid
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description White powder with a sulfurous odor; [Acros Organics MSDS]
Chemical Classes Biological Agents -> Amino Acids and Derivatives

SAFETY INFORMATION

Signal word Danger
Pictogram(s)

Corrosion
Corrosives
GHS05

Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H314:Skin corrosion/irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

COMPUTED DESCRIPTORS

Molecular Weight 121.16 g/mol
XLogP3 -2.5
Hydrogen Bond Donor Count 3
Hydrogen Bond Acceptor Count 4
Rotatable Bond Count 2
Exact Mass 121.01974964 g/mol
Monoisotopic Mass 121.01974964 g/mol
Topological Polar Surface Area 64.3 Ų
Heavy Atom Count 7
Formal Charge 0
Complexity 75.3
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 1
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Cysteine is a sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. It has a role as a fundamental metabolite. It is an alpha-amino acid, a polar amino acid and a sulfur-containing amino acid. It contains a sulfanylmethyl group. It is a conjugate base of a cysteinium. It is a conjugate acid of a cysteinate(1-). It is a tautomer of a cysteine zwitterion.