410209
L-Cysteine methyl ester hydrochloride
98%, for peptide synthesis
Synonym(s):
(R)-Cysteine methyl ester hydrochloride
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About This Item
Linear Formula:
HSCH2CH(NH2)COOCH3 · HCl
CAS Number:
Molecular Weight:
171.65
NACRES:
NA.22
PubChem Substance ID:
eCl@ss:
32160406
UNSPSC Code:
12352209
EC Number:
242-435-0
MDL number:
Beilstein/REAXYS Number:
3685824
Product Name
L-Cysteine methyl ester hydrochloride, 98%
Quality Level
assay
98%
form
solid
optical activity
[α]20/D −1.8°, c = 10 in methanol
reaction suitability
reaction type: solution phase peptide synthesis
mp
142 °C (dec.) (lit.)
application(s)
peptide synthesis
SMILES string
Cl[H].COC(=O)[C@@H](N)CS
InChI
1S/C4H9NO2S.ClH/c1-7-4(6)3(5)2-8;/h3,8H,2,5H2,1H3;1H/t3-;/m0./s1
InChI key
WHOHXJZQBJXAKL-DFWYDOINSA-N
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Storage Class
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Itai Chipinda et al.
Chemical research in toxicology, 19(3), 341-350 (2006-03-21)
Diisocyanates (dNCOs) are the most commonly reported cause of chemically induced occupational asthma, but the ultimate antigenic form is unknown. Reactions of the three most common monomeric dNCOs, hexamethylene dNCO (HDI), methylene diphenylisocyanate (MDI), and toluene dNCO (TDI), with cysteine
Mickael Alimi et al.
Inorganic chemistry, 51(17), 9350-9356 (2012-08-22)
Six Co(III) complexes based on unsubstituted or substituted TPA ligands (where TPA is tris(2-pyridylmethyl)amine) and acetohydroxamic acid (A), N-methyl-acetohydroxamic acid (B), or N-hydroxy-pyridinone (C) were prepared and characterized by mass spectrometry, elemental analysis, and electrochemistry: [Co(III)(TPA)(A-2H)](Cl) (1a), [Co(III)((4-Cl(2))TPA)(A-2H)](Cl) (2a), [Co(III)((6-Piva)TPA)(A-2H)](Cl)
Sandra Osburn et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 17(3), 873-879 (2011-01-13)
The structure and reactivity of the cysteine methyl ester radical cation, CysOMe(.+) , have been examined in the gas phase using a combination of experiment and density functional theory (DFT) calculations. CysOMe(.+) undergoes rapid ion-molecule reactions with dimethyl disulfide, allyl