Ent-Oseltamivir

Name: Ent-Oseltamivir
Brand: Vaqora Chemicals
SKU: VQ-032304

About Ent-Oseltamivir

Ent-Oseltamivir (CAS 1035895-88-5) is an impurity of Oseltamivir offered by Vaqora Chemicals. The compound has the formula C16H28N2O4, corresponding to a molecular weight of 312.4 g/mol. Its systematic (IUPAC) name is ethyl (3S,4S,5R)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Oseltamivir impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Ent-Oseltamivir is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Oseltamivir

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

Oseltamivir impurities

Specifications & identifiers

Chemical identifiers
Product name	Ent-Oseltamivir
Catalogue No.	VQ-032304
CAS Number	1035895-88-5
IUPAC name	ethyl (3S,4S,5R)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate
Molecular formula	C₁₆H₂₈N₂O₄
Molecular weight	312.4 g/mol
Exact mass	312.2049
Grade	Reference Standard
HSN code	38229090
InChIKey	VSZGPKBBMSAYNT-ILXRZTDVSA-N
SMILES	CCC(CC)O[C@H]1C=C(C[C@H]([C@@H]1NC(=O)C)N)C(=O)OCC
PubChem CID	51064085

Physical properties
Physical form	Solid
LogP (XLogP3)	1.1
H-bond donors / acceptors	2 / 5
TPSA	90.7 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 Ent-Oseltamivir?

The CAS Registry Number of Ent-Oseltamivir is 1035895-88-5. It is also known as Ethyl (3S,4S,5R)-4-acetamido-5-amino-3-(pentan-3-yloxy)cyclohex-1-ene-1-carboxylate.

What is the molecular formula and molecular weight of Ent-Oseltamivir?

Ent-Oseltamivir has the molecular formula C16H28N2O4 and a molecular weight of 312.4 g/mol. Its IUPAC name is ethyl (3S,4S,5R)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate.

What is Ent-Oseltamivir used for?

Ent-Oseltamivir is supplied as a characterised reference material related to Oseltamivir. 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 Ent-Oseltamivir can I order?

We supply Ent-Oseltamivir 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 Ent-Oseltamivir?

Yes. Every lot of Ent-Oseltamivir 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 Ent-Oseltamivir be shipped internationally?

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