N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Est… 153277-33-9

Name: N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester
Brand: Vaqora Chemicals
SKU: VQ-032434

About N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester

N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester (CAS 153277-33-9) is an impurity of Nelfinavir offered by Vaqora Chemicals. Formula C18H19NO4S, molecular weight 345.4 g/mol. Its systematic (IUPAC) name is methyl (2R)-2-(phenylmethoxycarbonylamino)-3-phenylsulfanylpropanoate.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Nelfinavir, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Nelfinavir

View every impurity, metabolite and intermediate we list for Nelfinavir.

Nelfinavir impurities

Specifications & identifiers

Chemical identifiers
Product name	N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester
Catalogue No.	VQ-032434
CAS Number	153277-33-9
IUPAC name	methyl (2R)-2-(phenylmethoxycarbonylamino)-3-phenylsulfanylpropanoate
Molecular formula	C₁₈H₁₉NO₄S
Molecular weight	345.4 g/mol
Exact mass	345.1035
Grade	Reference Standard
HSN code	38229090
InChIKey	IHTLHYBTCCLDPR-INIZCTEOSA-N
SMILES	COC(=O)[C@H](CSC1=CC=CC=C1)NC(=O)OCC2=CC=CC=C2
PubChem CID	10269086

Physical properties
Physical form	Solid
LogP (XLogP3)	3.6
H-bond donors / acceptors	1 / 5
TPSA	89.9 Å²

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 N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester?

The CAS Registry Number of N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester is 153277-33-9. It is also known as L-Cysteine,S-phenyl-N-[(phenylmethoxy)carbonyl]-, methyl ester, N-benzyloxycarbonyl-S-phenyl-L-cysteine methyl ester, Methyl N-[(benzyloxy)(hydroxy)methylidene]-S-phenylcysteinate.

What is the molecular formula and molecular weight of N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester?

N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester has the molecular formula C18H19NO4S and a molecular weight of 345.4 g/mol. Its IUPAC name is methyl (2R)-2-(phenylmethoxycarbonylamino)-3-phenylsulfanylpropanoate.

What is N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester used for?

N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester is supplied as a characterised reference material related to Nelfinavir. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester can I order?

We supply N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester?

Yes. Every lot of N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester 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 N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester be shipped internationally?

Yes. We export N-Carbobenzoxy-S-phenyl-L-cysteine Methyl Ester worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.