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CS-W001157 4
Total: USD 88.00

S-Propargylcysteine

  • CAS No. 3262-64-4

  • Cat. No. CS-W001538
  • Purity≥95%
  • MDL No.MFCD06809960

*For research and further manufacturing use only, not for direct human use.

S-Propargylcysteine|CS-W001538

Structure of 3262-64-4

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General Information

  • CAS No. 3262-64-4
  • Cat. No. CS-W001538
  • Purity ≥95%
  • MDL No. MFCD06809960
  • Storage 4°C
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₆H₉NO₂S
  • Molecular Weight 159.21
  • Synonym(s) SPRC
  • SMILES O=C([C@H](CSCC#C)N)O

Description

S-Propargylcysteine features a terminal alkyne group appended to the cysteine side chain, enabling bioorthogonal conjugation in chemical biology applications. This thiols-bearing scaffold integrates readily into peptide systems and supports site-specific labeling under physiological conditions.

Application

S-Propargylcysteine serves as a versatile cysteine-derived building block featuring a terminal alkyne for CuAAC and other click chemistry applications. Its thiol group enables site-specific conjugation, while the propargyl moiety offers orthogonal reactivity in peptide and bioconjugation workflows. Bench-stable and readily purified by standard chromatography, it functions effectively in diverse synthetic contexts requiring controlled functionalization.

Safety Information

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GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

Quality Control

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Computational Chemistry Data

  • TPSA   63.32
  • LogP   -0.2353
  • H_Acceptors   3
  • H_Donors   2
  • Rotatable_Bonds   4

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