20235
S-tert-Butylmercapto-L-cysteine
purum, ≥95.0% (T)
Synonym(s):
3-(tert-Butyldithio)-L-alanine, S-(tert-Butylthio)-L-cysteine
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About This Item
Empirical Formula (Hill Notation):
C7H15NO2S2
CAS Number:
Molecular Weight:
209.33
EC Number:
250-012-7
UNSPSC Code:
12352209
PubChem Substance ID:
Beilstein/REAXYS Number:
2247500
MDL number:
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.)
application(s)
peptide synthesis
SMILES string
CC(C)(C)SSC[C@H](N)C(O)=O
InChI
1S/C7H15NO2S2/c1-7(2,3)12-11-4-5(8)6(9)10/h5H,4,8H2,1-3H3,(H,9,10)/t5-/m0/s1
InChI key
TWMBHZTWEDJDRC-YFKPBYRVSA-N
Other Notes
Important S-protected cysteine-derivative for peptide synthesis
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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
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E. Wunsch in et al.
Meth. der Org. Chemie, 15/1, 792-792 (1974)