1R,3R,4R Entecavir

Name: 1R,3R,4R Entecavir
Brand: Vaqora Chemicals
SKU: VQ-025543

About 1R,3R,4R Entecavir

1R,3R,4R Entecavir is an impurity of Entecavir carrying the CAS registry number 1367369-76-3. Its molecular formula is C12H15N5O3 and its molecular weight is 277.28 g/mol. Systematically, it is named 2-amino-9-[(1R,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one.

The product is provided 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.

Vaqora Chemicals supplies 1R,3R,4R Entecavir in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports 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	1R,3R,4R Entecavir
Catalogue No.	VQ-025543
CAS Number	1367369-76-3
IUPAC name	2-amino-9-[(1R,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one
Molecular formula	C₁₂H₁₅N₅O₃
Molecular weight	277.28 g/mol
Exact mass	277.1175
Grade	Reference Standard
HSN code	38229090
InChIKey	QDGZDCVAUDNJFG-XLPZGREQSA-N
SMILES	C=C1[C@@H](C[C@H]([C@H]1CO)O)N2C=NC3=C2N=C(NC3=O)N
PubChem CID	136229115

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.3
H-bond donors / acceptors	4 / 5
TPSA	126 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 1R,3R,4R Entecavir?

The CAS Registry Number of 1R,3R,4R Entecavir is 1367369-76-3.

What is the molecular formula and molecular weight of 1R,3R,4R Entecavir?

1R,3R,4R Entecavir has the molecular formula C12H15N5O3 and a molecular weight of 277.28 g/mol. Its IUPAC name is 2-amino-9-[(1R,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one.

What is 1R,3R,4R Entecavir used for?

1R,3R,4R Entecavir 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 1R,3R,4R Entecavir can I order?

We supply 1R,3R,4R Entecavir 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 1R,3R,4R Entecavir?

Yes. Every lot of 1R,3R,4R Entecavir 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 1R,3R,4R Entecavir be shipped internationally?

Yes. We export 1R,3R,4R Entecavir worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.