S-tert-Butylmercapto-l-cysteine
Synonym(s):3-(tert-Butyldithio)-L -alanine;S-(tert-Butylthio)-L -cysteine
- CAS NO.：30044-51-0
- Empirical Formula: C7H15NO2S2
- Molecular Weight: 209.33
- MDL number: MFCD00002609
- EINECS: 250-012-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 04:13:01
What is S-tert-Butylmercapto-l-cysteine?
Chemical properties
White powder
Biological Activity
S-tert-Butylmercapto-L-cysteine is a cysteine derivative. it is may be used to introduce synthetically useful S-tert-butylthio groups into peptides.
Properties of S-tert-Butylmercapto-l-cysteine
| Melting point: | 177 °C (dec.)(lit.) |
| Boiling point: | 324.7±37.0 °C(Predicted) |
| Density | 1.225 |
| storage temp. | 2-8°C |
| pka | 2.03±0.10(Predicted) |
| form | Solid |
| color | White to off-white |
| BRN | 2247500 |
| InChI | 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 |
| CAS DataBase Reference | 30044-51-0(CAS DataBase Reference) |
Safety information for S-tert-Butylmercapto-l-cysteine
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. |
Computed Descriptors for S-tert-Butylmercapto-l-cysteine
| InChIKey | TWMBHZTWEDJDRC-YFKPBYRVSA-N |
| SMILES | C(O)(=O)[C@H](CSSC(C)(C)C)N |
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![3-(TERT-BUTYLDITHIO)-2-(([1-(3,5-DIMETHOXYPHENYL)-1-METHYLETHOXY]CARBONYL)AMINO)PROPANOIC ACID](https://img.chemicalbook.in/StructureFile/ChemBookStructure3/GIF/CB6710154.gif)
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