Entecavir Impurity 23

Name: Entecavir Impurity 23
Brand: Vaqora Chemicals
SKU: VQ-037004

About Entecavir Impurity 23

Vaqora Chemicals supplies Entecavir Impurity 23, an impurity of Entecavir registered under CAS number 1354695-86-5. With the molecular formula C26H27N5O3, it has a molar mass of 457.5 g/mol. Its systematic (IUPAC) name is 2-amino-9-[(1R,3R,4S)-2-methylidene-4-phenylmethoxy-3-(phenylmethoxymethyl)cyclopentyl]-1H-purin-6-one. Common synonyms include 1'-epi-Entecavir-di-o-benzyl Ether and 1'-epi-Entecavir-di-o-benzylEther.

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.

Pharmaceutical QC and development laboratories use this impurity standard of Entecavir to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Entecavir Impurity 23 in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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 Impurity 23
Catalogue No.	VQ-037004
CAS Number	1354695-86-5
IUPAC name	2-amino-9-[(1R,3R,4S)-2-methylidene-4-phenylmethoxy-3-(phenylmethoxymethyl)cyclopentyl]-1H-purin-6-one
Molecular formula	C₂₆H₂₇N₅O₃
Molecular weight	457.5 g/mol
Exact mass	457.2114
Grade	Reference Standard
HSN code	38229090
InChIKey	KROVOOOAPHSWCR-BDTNDASRSA-N
SMILES	C=C1[C@@H](C[C@@H]([C@H]1COCC2=CC=CC=C2)OCC3=CC=CC=C3)N4C=NC5=C4N=C(NC5=O)N
PubChem CID	137249907

Physical properties
Physical form	Solid
LogP (XLogP3)	2.2
H-bond donors / acceptors	2 / 5
TPSA	104 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 Entecavir Impurity 23?

The CAS Registry Number of Entecavir Impurity 23 is 1354695-86-5. It is also known as 1'-epi-Entecavir-di-o-benzyl Ether, 1'-epi-Entecavir-di-o-benzylEther.

What is the molecular formula and molecular weight of Entecavir Impurity 23?

Entecavir Impurity 23 has the molecular formula C26H27N5O3 and a molecular weight of 457.5 g/mol. Its IUPAC name is 2-amino-9-[(1R,3R,4S)-2-methylidene-4-phenylmethoxy-3-(phenylmethoxymethyl)cyclopentyl]-1H-purin-6-one.

What is Entecavir Impurity 23 used for?

Entecavir Impurity 23 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 Impurity 23 can I order?

We supply Entecavir Impurity 23 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 Impurity 23?

Yes. Every lot of Entecavir Impurity 23 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 Impurity 23 be shipped internationally?

Yes. We export Entecavir Impurity 23 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.