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20235 Sigma-Aldrich

S-tert-Butylmercapto-L-cysteine

purum, ≥95.0% (T)

Synonym: 3-(tert-Butyldithio)-L-alanine, S-(tert-Butylthio)-L-cysteine

  • CAS Number 30044-51-0

  • Empirical Formula (Hill Notation) C7H15NO2S2

  • Molecular Weight 209.33

  •  Beilstein Registry Number 2247500

  •  EC Number 250-012-7

  •  MDL number MFCD00002609

  •  PubChem Substance ID 329751995

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Properties

Related Categories Amino Acids & Derivatives, Chemical Biology, Chemical Synthesis, Cysteine/Cystine, Peptide Chemistry More...
InChI Key   TWMBHZTWEDJDRC-YFKPBYRVSA-N
grade   purum
assay   ≥95.0% (T)
optical activity   [α]20/D −83±3°, c = 1% in 1 M HCl
impurities   ≤0.5% free cysteine
ign. residue   ≤0.05%
mp   ~190 °C (dec.)

Description

Other Notes

Important S-protected cysteine-derivative for peptide synthesis

Same product — same quality — now Sigma-Aldrich brand

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Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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B5890 S-tert-Butylmercapto-L-cysteine

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