Boc-s-benzyl-l-cysteine, 98%+

Name: Boc-s-benzyl-l-cysteine, 98%+
Brand: Vaqora Chemicals
SKU: VQ-002224

About Boc-s-benzyl-l-cysteine, 98%+

Boc-s-benzyl-l-cysteine (CAS 5068-28-0) is a protected amino acid offered by Vaqora Chemicals (Biochemistry grade), specified at ≥98% purity. Its molecular formula is C15H21NO4S and its molecular weight is 311.4 g/mol. Its systematic (IUPAC) name is (2R)-3-benzylsulfanyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid. Alternative names: Boc-Cys(Bzl)-OH and N-tert-Butoxycarbonyl-S-benzyl-L-cysteine.

It is supplied as a colourless to white powder. Literature values give a melting point of 86-88 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Good laboratory practice and suitable PPE are recommended during handling.

Key uses span solid-phase peptide synthesis (SPPS), peptide drug discovery, medicinal chemistry and protein and peptide research. Typical end-use sectors are academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 10 g, 25 g, 100 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Solid-phase peptide synthesis (SPPS)
Peptide drug discovery
Medicinal chemistry
Protein & peptide research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Boc-s-benzyl-l-cysteine, 98%+
Catalogue No.	VQ-002224
CAS Number	5068-28-0
IUPAC name	(2R)-3-benzylsulfanyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid
Molecular formula	C₁₅H₂₁NO₄S
Molecular weight	311.4 g/mol
Exact mass	311.1191
Grade	Biochemistry
Purity / assay	≥98%
HSN code	29379020
InChIKey	IFVORPLRHYROAA-LBPRGKRZSA-N
SMILES	CC(C)(C)OC(=O)N[C@@H](CSCC1=CC=CC=C1)C(=O)O
PubChem CID	2724757

Physical properties
Physical form	Powder
Appearance	Colourless to white powder
Melting point	86-88 °C
LogP (XLogP3)	2.7
H-bond donors / acceptors	2 / 5
TPSA	101 Å²
Synonyms	Boc-Cys(Bzl)-OH, L-Cysteine, N-[(1,1-dimethylethoxy)carbonyl]-S-(phenylmethyl)-, L-Cysteine, N-((1,1-dimethylethoxy)carbonyl)-S-(phenylmethyl)-, N-tert-Butoxycarbonyl-S-benzyl-L-cysteine, (R)-3-(Benzylthio)-2-((tert-butoxycarbonyl)amino)propanoic acid, N-Boc-S-benzyl-L-cysteine, N-(tert-Butoxycarbonyl)-S-benzyl-L-cysteine, S-Benzyl-N-(tert-butoxycarbonyl)-L-cysteine, Boc-(S)-benzyl-D-Cys, Alanine, 3-(benzylthio)-N-carboxy-, N-tert-butyl ester, L-, N-((1,1-Dimethylethoxy)carbonyl)-S(phenylmethyl)-L-cysteine, Boc-Cys (Bzl)-OH

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Boc-s-benzyl-l-cysteine, 98%+?

The CAS Registry Number of Boc-s-benzyl-l-cysteine, 98%+ is 5068-28-0. It is also known as Boc-Cys(Bzl)-OH, L-Cysteine, N-[(1,1-dimethylethoxy)carbonyl]-S-(phenylmethyl)-, L-Cysteine, N-((1,1-dimethylethoxy)carbonyl)-S-(phenylmethyl)-.

What is the molecular formula and molecular weight of Boc-s-benzyl-l-cysteine, 98%+?

Boc-s-benzyl-l-cysteine, 98%+ has the molecular formula C15H21NO4S and a molecular weight of 311.4 g/mol. Its IUPAC name is (2R)-3-benzylsulfanyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid.

Which grade and pack sizes of Boc-s-benzyl-l-cysteine, 98%+ can I order?

We supply Boc-s-benzyl-l-cysteine, 98%+ in Biochemistry (≥98%) grade, in 10 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Boc-s-benzyl-l-cysteine, 98%+?

Yes. Every lot of Boc-s-benzyl-l-cysteine, 98%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Boc-s-benzyl-l-cysteine, 98%+ be shipped internationally?

Yes. We export Boc-s-benzyl-l-cysteine, 98%+ worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.