Cas no 26177-54-8 ((2R)-3-(carboxymethyl)sulfanyl-2-acetamidopropanoic acid)

(2R)-3-(Carboxymethyl)sulfanyl-2-acetamidopropanoic acid is a chiral sulfur-containing amino acid derivative with potential applications in peptide synthesis and biochemical research. Its structure features a carboxymethylthio side chain and an acetamido group, offering unique reactivity for thiol-based conjugation or modification. The (2R)-stereochemistry ensures enantiomeric purity, critical for studies requiring precise stereochemical control. The compound’s dual carboxyl groups enhance solubility in aqueous systems, facilitating its use in buffer-compatible reactions. Its thioether linkage provides stability while remaining amenable to selective transformations, making it a versatile intermediate in medicinal chemistry and proteomics. Suitable for controlled functionalization, it serves as a building block for tailored biomolecules or probes.
(2R)-3-(carboxymethyl)sulfanyl-2-acetamidopropanoic acid structure
26177-54-8 structure
Product Name:(2R)-3-(carboxymethyl)sulfanyl-2-acetamidopropanoic acid
CAS No:26177-54-8
MF:C7H11NO5S
MW:221.230941057205
MDL:MFCD00871849
CID:276832
PubChem ID:161516
Update Time:2025-05-26

(2R)-3-(carboxymethyl)sulfanyl-2-acetamidopropanoic acid Chemical and Physical Properties

Names and Identifiers

    • L-Cysteine,N-acetyl-S-(carboxymethyl)-
    • (2R)-3-(carboxymethyl)sulfanyl-2-acetamidopropanoic acid
    • (2R)-2-acetamido-3-(carboxymethylsulfanyl)propanoic acid
    • (2R)-3-[(CARBOXYMETHYL)SULFANYL]-2-ACETAMIDOPROPANOIC ACID
    • N-Acetyl-S-(carboxymethyl)-L-cysteine
    • 2-Acetamido-3-((carboxymethyl)thio)propanoic acid
    • DTXSID50949051
    • N-Acetyl-S-(2-carboxymethyl)cysteine
    • 26177-54-8
    • N-acetyl-(S-carboxy-methyl)-l-cysteine
    • 26924-28-7
    • SCHEMBL3158146
    • 2-Acetamido-3-((carboxymethyl)thio)propanoicacid
    • EN300-315532
    • Cysteine, N-acetyl-S-(carboxymethyl)-
    • n-acetyl-s-carboxymethyl-l-cysteine
    • S-(Carboxymethyl)-N-(1-hydroxyethylidene)cysteine
    • MDL: MFCD00871849
    • Inchi: 1S/C7H11NO5S/c1-4(9)8-5(7(12)13)2-14-3-6(10)11/h5H,2-3H2,1H3,(H,8,9)(H,10,11)(H,12,13)/t5-/m0/s1
    • InChI Key: VHBNOXBGFQQNSF-YFKPBYRVSA-N
    • SMILES: S(CC(=O)O)C[C@@H](C(=O)O)NC(C)=O

Computed Properties

  • Exact Mass: 221.03583
  • Monoisotopic Mass: 221.036
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 3
  • Hydrogen Bond Acceptor Count: 6
  • Heavy Atom Count: 14
  • Rotatable Bond Count: 6
  • Complexity: 242
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 1
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: -0.6
  • Topological Polar Surface Area: 129?2

Experimental Properties

  • Density: 1.44
  • Boiling Point: 564.6°C at 760 mmHg
  • Flash Point: 295.3°C
  • Refractive Index: 1.553
  • PSA: 103.7

(2R)-3-(carboxymethyl)sulfanyl-2-acetamidopropanoic acid Pricemore >>

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SHANG HAI BI DE YI YAO KE JI GU FEN Co., Ltd.
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