laevo-cysteine

Full Material List
(2R)-2-amino-3-sulfanylpropanoic acid

Identifiers

FEMA 3263
CAS 52-90-4
EINECS 200-158-2
Synonyms
  • ajipure cysteine
  • amino acid, cysteine
  • (R)-2- amino-3-mercapto-propanoic acid
  • (R)-2- amino-3-mercapto-propionic acid
  • (2R)-2- amino-3-mercaptopropanoic acid
  • (R)-2- amino-3-mercaptopropanoic acid
  • (+)-2- amino-3-mercaptopropionic acid
  • (R)-2- amino-3-mercaptopropionic acid
  • L-2- amino-3-mercaptopropionic acid
  • (2R)-2- amino-3-sulfanyl propanoic acid
  • (2R)-2- amino-3-sulfanylpropanoic acid
  • a- amino-b-thiolpropionic acid
  • alpha- amino-beta-mercaptopropanoic acid
  • L-alpha- amino-beta-mercaptopropanoic acid
  • laevo-alpha- amino-beta-mercaptopropanoic acid
  • beta- amino-beta-mercaptopropionic acid
  • L-alpha- amino-beta-mercaptopropionic acid
  • laevo-alpha- amino-beta-mercaptopropionic acid
  • laevo-alpha- amino-beta-thiol propionic acid
  • (2R)-2- ammonio-3-mercaptopropanoate
  • (2R)-2- ammonio-3-sulfanylpropanoate
  • cisteinum
  • (2R)-L- cysteine
  • (R)- cysteine
  • (R)-(+)- cysteine
  • L- cysteine
  • L-(+)- cysteine
  • L- cysteine base
  • L- cysteine free base
  • hydrogen L-cysteinate
  • 3- mercapto-L-alanine
  • b- mercaptoalanine
  • beta- mercaptoalanine
  • propanoic acid, 2-amino-3-mercapto-, (R)-
JECFA Food Flavoring 1419
JECFA Food Additive N/A
DG SANTE Food Flavourings 17.033 L-cysteine
DG SANTE Food Contact Materials N/A
FDA UNII K848JZ4886
CoE Number 10464
XlogP3-AA -2.50 (est)
Molecular Weight 121.15919
Molecular Formula C3 H7 N O2 S

Organoleptic

Organoleptic Notes
Odor N/A
Flavor N/A

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Properties

Food Chemicals Codex Listed No
Appearance white crystals (est)
Assay 98.00 to 100.00
Specific Gravity N/A
Lbs/Gal (est) N/A
Refractive Index N/A
Melting Point 238.00 to 240.00 °C. @ 760.00 mm Hg
Boiling Point 293.88 °C. @ 760.00 mm Hg (est)
Flash Point 269.00 °F. TCC ( 131.50 °C. ) (est)
Acid Value N/A
Vapor Pressure 0.000002 mmHg @ 25.00 °C. (est)
Vapor Density N/A
logP (o/w) -2.49
Soluble In
  • alcohol
  • water, 1.132e+005 mg/L @ 25 °C (est)
  • water, 2.77E+05 mg/L @ 25 °C (exp)
  • acetone
Occurrence
  • apple fruit
  • basswood flower
  • carrot tissue culture
  • cherry
  • coffee arabica coffee bean
  • coffee bean
  • date palm fruit
  • flax seed
  • garlic bulb
  • garlic leaf
  • ginger shoot
  • ginger tuber
  • ginkgo biloba seed
  • grape
  • kiwi fruit
  • nectarine
  • onion bulb
  • peach fruit
  • pear fruit
  • plum fruit
  • prune juice
  • rice plant
  • soybean seed
  • strawberry wild strawberry fruit
  • sunflower seed
  • tea leaf
  • watermelon fruit
  • watermelon seed
  • wheat seed