Entecavir Epoxide Impurity

Name: Entecavir Epoxide Impurity
Brand: Vaqora Chemicals
SKU: VQ-037006

About Entecavir Epoxide Impurity

Entecavir Epoxide Impurity is an impurity of Entecavir carrying the CAS registry number 117641-39-1. The compound has the formula C13H16O3, corresponding to a molecular weight of 220.26 g/mol. Its systematic (IUPAC) name is (1S,2R,3S,5R)-2-(phenylmethoxymethyl)-6-oxabicyclo[3.1.0]hexan-3-ol. Common synonyms include Entecavir E2 and Entecavir Impurity 24.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Entecavir, 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 Entecavir

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

Entecavir impurities

Specifications & identifiers

Chemical identifiers
Product name	Entecavir Epoxide Impurity
Catalogue No.	VQ-037006
CAS Number	117641-39-1
IUPAC name	(1S,2R,3S,5R)-2-(phenylmethoxymethyl)-6-oxabicyclo[3.1.0]hexan-3-ol
Molecular formula	C₁₃H₁₆O₃
Molecular weight	220.26 g/mol
Exact mass	220.1099
Grade	Reference Standard
HSN code	38229090
InChIKey	LPHHAQDOQOLDFK-XQHKEYJVSA-N
SMILES	C1[C@@H]([C@H]([C@H]2[C@@H]1O2)COCC3=CC=CC=C3)O
PubChem CID	10798957

Physical properties
Physical form	Solid
LogP (XLogP3)	1.1
H-bond donors / acceptors	1 / 3
TPSA	42 Å²
Synonyms	(1S,2R,3S,5R)-2-((Benzyloxy)methyl)-6-oxabicyclo[3.1.0]hexan-3-ol, (1S,2R,3S,5R)-2-(Benzyloxymethyl)-6-oxabicyclo[3.1.0]hexan-3-ol, Entecavir E2, (1S,2R,3S,5R)-2-[(benzyloxy)methyl]-6-oxabicyclo[3.1.0]hexan-3-ol, (1S,2R,3S,5R)-2-[(Phenylmethoxy)methyl]-6-oxabicyclo[3.1.0]hexan-3-ol, Entecavir Impurity 24, Entecavir-2, Entecavir interMediate 2, (1S,2R,3S,5R)-2-[(Benzyloxy)methyl]-3-hydroxy-6-oxabicyclo[3.1.0]hexane, 4-(phenylmethoxymethyl)-6-oxabicyclo[3.1.0]hexan-3-ol, (1S,2R,3S,5R)-2-(Benzyloxymethyl)-6-oxabicyclo[3.1.0]hexan-3-o, [1s-(1alpha,2alpha, 3beta,5alpha)]-2-[(phenmethoxy)-methyl]-6-oxabicyclo[3,1,0]hexan-3-ol

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 Entecavir Epoxide Impurity?

The CAS Registry Number of Entecavir Epoxide Impurity is 117641-39-1. It is also known as (1S,2R,3S,5R)-2-((Benzyloxy)methyl)-6-oxabicyclo[3.1.0]hexan-3-ol, (1S,2R,3S,5R)-2-(Benzyloxymethyl)-6-oxabicyclo[3.1.0]hexan-3-ol, Entecavir E2.

What is the molecular formula and molecular weight of Entecavir Epoxide Impurity?

Entecavir Epoxide Impurity has the molecular formula C13H16O3 and a molecular weight of 220.26 g/mol. Its IUPAC name is (1S,2R,3S,5R)-2-(phenylmethoxymethyl)-6-oxabicyclo[3.1.0]hexan-3-ol.

What is Entecavir Epoxide Impurity used for?

Entecavir Epoxide Impurity is supplied as a characterised reference material related to Entecavir. 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 Entecavir Epoxide Impurity can I order?

We supply Entecavir Epoxide Impurity 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 Entecavir Epoxide Impurity?

Yes. Every lot of Entecavir Epoxide Impurity 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 Entecavir Epoxide Impurity be shipped internationally?

Yes. We export Entecavir Epoxide Impurity worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.