(3R,4R,5R)-4-(1-Ethylpropoxy)-3-hydroxy-5-[(methylsulfonyl)oxy]-1-cyclohexene-1-carboxylic Acid Ethy
- CAS
- 204254-94-4
- Formula
- C15H26O7S
- MW
- 350.4 g/mol
ZX-030989
API Impurities
Ent-Oseltamivir
Reference StandardAvailable on request
Ent-Oseltamivir (CAS 1035895-88-5) supplier Zemixal: C16H28N2O4, COA and SDS with every lot, worldwide shipping. Part of our API Impurities range.
CAS number1035895-88-5
FormulaC16H28N2O4
Molar mass312.4 g/mol
Physical formSolid
HS code38229090
InChIKeyVSZGPKBBMSAYNT-ILXRZTDVSA-N
IUPAC nameethyl (3S,4S,5R)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate
About Ent-Oseltamivir
Ent-Oseltamivir belongs to the Oseltamivir reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 1035895-88-5, formula C16H28N2O4 and molar mass 312.4 g/mol. It is handled as a solid.
Use cases we see most often
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Reference standards for Oseltamivir
See every impurity, metabolite and related compound we list for this API.
Oseltamivir standardsTypical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | Ent-Oseltamivir |
|---|---|
| Catalogue number | ZX-030990 |
| CAS number | 1035895-88-5 |
| IUPAC name | ethyl (3S,4S,5R)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate |
| Molecular formula | C16H28N2O4 |
| Molar mass | 312.4 g/mol |
| Exact mass | 312.2049 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 1.1 |
| H-bond donors / acceptors | 2 / 5 |
| Topological polar surface area | 90.7 Ų |
| HS 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 |
| Synonyms | Ethyl (3S,4S,5R)-4-acetamido-5-amino-3-(pentan-3-yloxy)cyclohex-1-ene-1-carboxylate |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Ent-Oseltamivir
Which CAS number identifies Ent-Oseltamivir?
Ent-Oseltamivir is registered under CAS 1035895-88-5. You may also see it listed as Ethyl (3S,4S,5R)-4-acetamido-5-amino-3-(pentan-3-yloxy)cyclohex-1-ene-1-carboxylate. Our catalogue number for this item is ZX-030990.
What are the formula and molar mass of Ent-Oseltamivir?
For Ent-Oseltamivir, its formula is C16H28N2O4 and its molar mass is 312.4 g/mol. The systematic (IUPAC) name is ethyl (3S,4S,5R)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate. InChIKey VSZGPKBBMSAYNT-ILXRZTDVSA-N lets you match it in any structure database.
How is Ent-Oseltamivir used in pharmaceutical QC?
Ent-Oseltamivir is a characterised reference material linked to Oseltamivir. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Ent-Oseltamivir?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Ent-Oseltamivir?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Ent-Oseltamivir to my country?
Yes. Ent-Oseltamivir ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.
More Oseltamivir standards
More in API Impurities
(3R,4S,5R)-Ethyl 5-azido-4-hydroxy-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate
- CAS
- 204254-98-8
- Formula
- C14H23N3O4
- MW
- 297.35 g/mol
ZX-030988
(1S,5S,6S)-Ethyl 5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate
- CAS
- 2413185-88-1
- Formula
- C14H22O4
- MW
- 254.32 g/mol
ZX-030987
Ethyl (1S,5R,6R)-5-hydroxy-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate
- CAS
- 876014-27-6
- Formula
- C9H12O4
- MW
- 184.19 g/mol
ZX-030986
(1R,5R,6R)-5-(1-Ethylpropoxy)-7-azabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Ethyl Ester
- CAS
- 204255-02-7
- Formula
- C14H23NO3
- MW
- 253.34 g/mol
ZX-030985
(1R,5R,6R)-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Ethyl Ester
- CAS
- 1266663-89-1
- Formula
- C14H22O4
- MW
- 254.32 g/mol
ZX-030984
Have a list of compounds to price?
Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.