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API Reference Standards

Oseltamivir Phosphate

Reference StandardIn stock

Buy Oseltamivir Phosphate (CAS 204255-11-8) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-006703.

Pack sizes
Oseltamivir Phosphate chemical structure
CAS number204255-11-8
FormulaC16H31N2O8P
Molar mass410.4 g/mol
Physical formSolid
HS code38229090
InChIKeyPGZUMBJQJWIWGJ-ONAKXNSWSA-N
IUPAC nameethyl (3R,4R,5S)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate;phosphoric acid

About Oseltamivir Phosphate

Analytical teams working on Oseltamivir use Oseltamivir Phosphate as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 204255-11-8, formula C16H31N2O8P and molar mass 410.4 g/mol. It is handled as a solid.

Typical applications

  • Identification & assay
  • Method development & validation
  • QC reference material

Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Oseltamivir

See every impurity, metabolite and related compound we list for this API.

Oseltamivir standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Oseltamivir Phosphate
Product nameOseltamivir Phosphate
Catalogue numberZX-006703
CAS number204255-11-8
Other CAS numbers196618-13-0, 1448332-99-7
IUPAC nameethyl (3R,4R,5S)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate;phosphoric acid
Molecular formulaC16H31N2O8P
Molar mass410.4 g/mol
Exact mass410.1818
GradeReference Standard
Physical formSolid
H-bond donors / acceptors5 / 9
Topological polar surface area168 Ų
HS code38229090
InChIKeyPGZUMBJQJWIWGJ-ONAKXNSWSA-N
SMILESCCC(CC)O[C@@H]1C=C(C[C@@H]([C@H]1NC(=O)C)N)C(=O)OCC.OP(=O)(O)O
PubChem CID78000
Synonyms(-)-Oseltamivir phosphate, (3R,4R,5S)-ethyl 4-acetamido-5-amino-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate phosphate, Oseltamir phosphate, Aseltamivir phosphate, Oseltamivir (as phosphate), Oseltamivir (phosphate), Ethyl (3R,4R,5S)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate phosphate, Ethyl (3R,4R,5S)-4-Acetamido-5-amino-3-(pentan-3-yloxy)cyclohexene-1-carboxylate Phosphate, Ebilfumin (TN), Tamiflu (TN), Oseltamivir phosphata, Oseltamiviri phosphas

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 Phosphate
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 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 Phosphate

Which CAS number identifies Oseltamivir Phosphate?
Oseltamivir Phosphate is registered under CAS 204255-11-8. You may also see it listed as (-)-Oseltamivir phosphate, (3R,4R,5S)-ethyl 4-acetamido-5-amino-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate phosphate, Oseltamir phosphate. Our catalogue number for this item is ZX-006703.
What are the formula and molar mass of Oseltamivir Phosphate?
For Oseltamivir Phosphate, its formula is C16H31N2O8P and its molar mass is 410.4 g/mol. InChIKey PGZUMBJQJWIWGJ-ONAKXNSWSA-N lets you match it in any structure database.
How is Oseltamivir Phosphate used in pharmaceutical QC?
Oseltamivir Phosphate 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 Phosphate?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Oseltamivir Phosphate?
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 Phosphate to my country?
Yes. Oseltamivir Phosphate ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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