Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
Bulk CASAccount
Pharmacopeial Impurities (EP / USP / BP)

Oseltamivir EP Impurity E

Reference StandardAvailable on request

Oseltamivir EP Impurity E (CAS 208720-71-2) supplier Zemixal: C15H26N2O4, COA and SDS with every lot, worldwide shipping.

Pack sizes
Oseltamivir EP Impurity E chemical structure
CAS number208720-71-2
FormulaC15H26N2O4
Molar mass298.38 g/mol
Physical formSolid
HS code38229090
InChIKeyHQFJHRGEFIDLDI-BFHYXJOUSA-N
IUPAC namemethyl (3R,4R,5S)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate

About Oseltamivir EP Impurity E

Analytical teams working on Oseltamivir use Oseltamivir EP Impurity E as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 208720-71-2, formula C15H26N2O4 and molar mass 298.38 g/mol. It is handled as a solid.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. 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 standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Grade guides

Specifications and identifiers

Specifications of Oseltamivir EP Impurity E
Product nameOseltamivir EP Impurity E
Catalogue numberZX-025972
CAS number208720-71-2
IUPAC namemethyl (3R,4R,5S)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate
Molecular formulaC15H26N2O4
Molar mass298.38 g/mol
Exact mass298.1893
GradeReference Standard
Physical formSolid
XLogP30.7
H-bond donors / acceptors2 / 5
Topological polar surface area90.7 Ų
HS code38229090
InChIKeyHQFJHRGEFIDLDI-BFHYXJOUSA-N
SMILESCCC(CC)O[C@@H]1C=C(C[C@@H]([C@H]1NC(=O)C)N)C(=O)OC
PubChem CID11808666
SynonymsOseltamivir Acid Methyl Ester, Oseltamivir Phosphate - Impurity E, (3R,4R,5S)-Methyl 4-acetamido-5-amino-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate, Methyl (3R,4R,5S)-4-acetamido-5-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylate, methyl (3R,4R,5S)-5-amino-4-acetamido-3-(pentan-3-yloxy)cyclohex-1-ene-1-carboxylate, Methyl (3R,4R,5S)-4-(acetylamino) -5-amino-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxyate, methyl (3R,4R,5S)-4-acetamido-5-amino-3-(1-ethylpropoxy)cyclohexene-1-carboxylate, methyl (3R,4R,5S)-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

Pack sizes of Oseltamivir EP Impurity E
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Oseltamivir EP Impurity E

Which CAS number identifies Oseltamivir EP Impurity E?
Oseltamivir EP Impurity E is registered under CAS 208720-71-2. You may also see it listed as Oseltamivir Acid Methyl Ester, Oseltamivir Phosphate - Impurity E, (3R,4R,5S)-Methyl 4-acetamido-5-amino-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate. Our catalogue number for this item is ZX-025972.
What are the formula and molar mass of Oseltamivir EP Impurity E?
For Oseltamivir EP Impurity E, its formula is C15H26N2O4 and its molar mass is 298.38 g/mol. The systematic (IUPAC) name is methyl (3R,4R,5S)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate. InChIKey HQFJHRGEFIDLDI-BFHYXJOUSA-N lets you match it in any structure database.
How is Oseltamivir EP Impurity E used in pharmaceutical QC?
Oseltamivir EP Impurity E 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 Oseltamivir EP Impurity E?
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 Oseltamivir EP Impurity E?
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 Oseltamivir EP Impurity E to my country?
Yes. Oseltamivir EP Impurity E ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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.

Compare 0 of 4Compare now