N-(tert-Butoxycarbonyl)-L-cysteine methyl ester

ALDRICH/467154 - 97%

Synonym: N-Boc-L-cysteine methyl ester

CAS Number: 55757-46-5
Empirical Formula (Hill Notation): C₉H₁₇NO₄S
Molecular Weight: 235.30
MDL Number: MFCD00799495
Linear Formula: HSCH₂CH[NHCO₂C(CH₃)₃]CO₂CH₃
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-467154-5ML	5 mL	$90.10 1/EA		Add To Favorites
45-467154-25ML	25 mL	$315.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

application(s)	peptide synthesis
assay	97%
bp	214 °C (lit.)
density	1.143 g/mL at 25 °C (lit.)
form	liquid
InChI	1S/C9H17NO4S/c1-9(2,3)14-8(12)10-6(5-15)7(11)13-4/h6,15H,5H2,1-4H3,(H,10,12)/t6-/m0/s1
InChI key	NJGIAKIPSDCYAC-LURJTMIESA-N
optical activity	[α]22/D +21°, c = 7.5 in chloroform
reaction suitability	reaction type: solution phase peptide synthesis
refractive index	n20/D 1.475 (lit.)
SMILES string	COC(=O)[C@H](CS)NC(=O)OC(C)(C)C

Application:	N-(tert-Butoxycarbonyl)-L-cysteine methyl ester is an N-terminal protected reagent that can be used in the synthesis of peptides and proteins containing cysteine residues, which can further be converted to dehydroalanine.
Packaging:	5, 25 mL in glass bottle

RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	235.4 °F - closed cup
Flash Point(C)	113 °C - closed cup

Purity	97%
bp	214 °C (lit.)
Density	1.143 g/mL at 25 °C (lit.)
Refractive Index	n20/D 1.475 (lit.)
UNSPSC	12352209

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