(S)-Ethyl-N-Boc-pyroglutamate, 98%

Name: (S)-Ethyl-N-Boc-pyroglutamate, 98%
Brand: Vaqora Chemicals
SKU: VQ-012546

About (S)-Ethyl-N-Boc-pyroglutamate, 98%

(S)-Ethyl-N-Boc-pyroglutamate (CAS 144978-12-1) is a five-membered N-heterocycle offered by Vaqora Chemicals with a typical assay of 97%. With the molecular formula C12H19NO5, it has a molar mass of 257.28 g/mol. Its systematic (IUPAC) name is 1-O-tert-butyl 2-O-ethyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate. Common synonyms include Ethyl N-Boc-L-pyroglutamate and N-Boc-L-pyroglutamic Acid Ethyl Ester.

In its supplied form it is white to almost white powder or crystals. Literature values give a melting point of 54 °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.

Typical applications include organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 25 g, 100 g, 500 g and 1 kg packs, (S)-Ethyl-N-Boc-pyroglutamate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	(S)-Ethyl-N-Boc-pyroglutamate, 98%
Catalogue No.	VQ-012546
CAS Number	144978-12-1
IUPAC name	1-O-tert-butyl 2-O-ethyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate
Molecular formula	C₁₂H₁₉NO₅
Molecular weight	257.28 g/mol
Exact mass	257.1263
Purity / assay	97%
HSN code	29039990
InChIKey	YWWWGFSJHCFVOW-QMMMGPOBSA-N
SMILES	CCOC(=O)[C@@H]1CCC(=O)N1C(=O)OC(C)(C)C
PubChem CID	5461186

Physical properties
Physical form	Crystalline
Appearance	White to almost white powder or crystals
Melting point	54 °C
LogP (XLogP3)	1.3
H-bond donors / acceptors	0 / 5
TPSA	72.9 Å²
Synonyms	N-(tert-Butoxycarbonyl)-L-pyroglutamic Acid Ethyl Ester, Ethyl (S)-1-(tert-Butoxycarbonyl)-5-oxopyrrolidine-2-carboxylate, (S)-1-(tert-Butoxycarbonyl)-5-oxopyrrolidine-2-carboxylic Acid Ethyl Ester, Ethyl N-Boc-L-pyroglutamate, N-Boc-L-pyroglutamic Acid Ethyl Ester, Ethyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate, 1-(1,1-Dimethylethyl) 2-ethyl (2S)-5-oxo-1,2-pyrrolidinedicarboxylate, boc-pyr-oet, 1-Boc-L-Pyroglutamic acid ethyl ester, Ethyl Boc-L-pyroglutamate, Ethyl N-(tert-Butoxycarbonyl)-L-pyroglutamate, 1-(tert-butyl) 2-ethyl (S)-5-oxopyrrolidine-1,2-dicarboxylate

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 (S)-Ethyl-N-Boc-pyroglutamate, 98%?

The CAS Registry Number of (S)-Ethyl-N-Boc-pyroglutamate, 98% is 144978-12-1. It is also known as N-(tert-Butoxycarbonyl)-L-pyroglutamic Acid Ethyl Ester, Ethyl (S)-1-(tert-Butoxycarbonyl)-5-oxopyrrolidine-2-carboxylate, (S)-1-(tert-Butoxycarbonyl)-5-oxopyrrolidine-2-carboxylic Acid Ethyl Ester.

What is the molecular formula and molecular weight of (S)-Ethyl-N-Boc-pyroglutamate, 98%?

(S)-Ethyl-N-Boc-pyroglutamate, 98% has the molecular formula C12H19NO5 and a molecular weight of 257.28 g/mol. Its IUPAC name is 1-O-tert-butyl 2-O-ethyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate.

Which grade and pack sizes of (S)-Ethyl-N-Boc-pyroglutamate, 98% can I order?

We supply (S)-Ethyl-N-Boc-pyroglutamate, 98% in (97%) grade, in 25 g, 100 g, 500 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with (S)-Ethyl-N-Boc-pyroglutamate, 98%?

Yes. Every lot of (S)-Ethyl-N-Boc-pyroglutamate, 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 (S)-Ethyl-N-Boc-pyroglutamate, 98% be shipped internationally?

Yes. We export (S)-Ethyl-N-Boc-pyroglutamate, 98% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.