L-Cysteine methyl ester hydrochloride
ALDRICH/410209 - 98%
Synonym: (R)-Cysteine methyl ester hydrochloride
CAS Number: 18598-63-5
Empirical Formula (Hill Notation): C4H9NO2S · HCl
Molecular Weight: 171.65
EC Number: 242-435-0
MDL Number: MFCD00038985
Linear Formula: HSCH2CH(NH2)COOCH3 · HCl
Product Type: Chemical
| application(s) | peptide synthesis |
| assay | 98% |
| form | solid |
| InChI | 1S/C4H9NO2S.ClH/c1-7-4(6) |
| InChI key | WHOHXJZQBJXAKL-DFWYDOINSA |
| mp | 142 °C (dec.) (lit.) |
| optical activity | [α]20/D −1.8°, c = 10 in methanol |
| Quality Level | 100 ![]() |
| reaction suitability | reaction type: solution phase peptide synthesis |
| SMILES string | Cl[H].COC(=O)[C@@H](N)CS |
| Packaging: | 5, 25 g in poly bottle |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 98% |
| mp | 142 °C (dec.) (lit.) |
| UNSPSC | 12352209 |

