(2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epox… 156474-22-5

Name: (2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane
Brand: Vaqora Chemicals
SKU: VQ-027124

About (2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane

(2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane (CAS 156474-22-5) is an impurity of Atazanavir offered by Vaqora Chemicals. Its molecular formula is C15H21NO3 and its molecular weight is 263.33 g/mol. The IUPAC name is tert-butyl N-[(1R)-1-[(2S)-oxiran-2-yl]-2-phenylethyl]carbamate. Alternative names: threo-N-Boc-D-phenylalanine epoxide and (2S,3R)-1,2-Epoxy-(Boc amino)-4-phenylbutane.

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 Atazanavir, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Atazanavir

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

Atazanavir impurities

Specifications & identifiers

Chemical identifiers
Product name	(2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane
Catalogue No.	VQ-027124
CAS Number	156474-22-5
IUPAC name	tert-butyl N-[(1R)-1-[(2S)-oxiran-2-yl]-2-phenylethyl]carbamate
Molecular formula	C₁₅H₂₁NO₃
Molecular weight	263.33 g/mol
Exact mass	263.1521
Grade	Reference Standard
HSN code	38229090
InChIKey	NVPOUMXZERMIJK-CHWSQXEVSA-N
SMILES	CC(C)(C)OC(=O)N[C@H](CC1=CC=CC=C1)[C@H]2CO2
PubChem CID	11402815

Physical properties
Physical form	Solid
LogP (XLogP3)	2.6
H-bond donors / acceptors	1 / 3
TPSA	50.9 Å²
Synonyms	threo-N-Boc-D-phenylalanine epoxide, tert-Butyl ((R)-1-((S)-oxiran-2-yl)-2-phenylethyl)carbamate, rel-tert-Butyl ((R)-1-((S)-oxiran-2-yl)-2-phenylethyl)carbamate, (2S,3R)-1,2-Epoxy-(Boc amino)-4-phenylbutane, tert-Butyl (1R)-1-[(2S)-2-oxiranyl]-2-phenylethylcarbamate, rel-tert-Butyl((R)-1-((S)-oxiran-2-yl)-2-phenylethyl)carbamate, 1,1-Dimethylethyl N-[(1R)-1-[(2S)-2-oxiranyl]-2-phenylethyl]carbamate, tert-butyl N-[(1R)-1-[(2S)-oxiran-2-yl]-2-phenyl-ethyl]carbamate, Carbamic acid, (1-oxiranyl-2-phenylethyl)-, 1,1-dimethylethyl ester, (R,S)-(+/-)-, Carbamic acid, [(1R)-1-(2S)-oxiranyl-2-phenylethyl]-, 1,1-dimethylethyl ester, rel-, Carbamic acid, N-[(1R)-1-[(2S)-2-oxiranyl]-2-phenylethyl]-, 1,1-dimethylethyl ester

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 (2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane?

The CAS Registry Number of (2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane is 156474-22-5. It is also known as threo-N-Boc-D-phenylalanine epoxide, tert-Butyl ((R)-1-((S)-oxiran-2-yl)-2-phenylethyl)carbamate, rel-tert-Butyl ((R)-1-((S)-oxiran-2-yl)-2-phenylethyl)carbamate.

What is the molecular formula and molecular weight of (2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane?

(2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane has the molecular formula C15H21NO3 and a molecular weight of 263.33 g/mol. Its IUPAC name is tert-butyl N-[(1R)-1-[(2S)-oxiran-2-yl]-2-phenylethyl]carbamate.

What is (2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane used for?

(2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane is supplied as a characterised reference material related to Atazanavir. 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 (2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane can I order?

We supply (2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane 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 (2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane?

Yes. Every lot of (2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane 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 (2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane be shipped internationally?

Yes. We export (2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutane worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.