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API ImpuritiesReference StandardAvailable on request

(1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester

Synonyms: Methyl · (1S,5R,6S)-methyl 5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate

CAS No.1234858-94-6
FormulaC13H20O4
Mol. weight240.29
Catalogue No.VQ-038806
PurityReference Standard
HSN38229090

(1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester (CAS 1234858-94-6) – Oseltamivir impurity standard.

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25 mg
50 mg
100 mg
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About (1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester

(1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester (CAS 1234858-94-6) is an impurity of Oseltamivir offered by Vaqora Chemicals. Formula C13H20O4, molecular weight 240.29 g/mol. The IUPAC name is methyl (1S,5R,6S)-5-pentan-3-yloxy-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate. Alternative names: Methyl.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Oseltamivir to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies (1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester 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

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Related to Oseltamivir

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

Oseltamivir impurities

Specifications & identifiers

Chemical identifiers
Product name(1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester
Catalogue No.VQ-038806
CAS Number1234858-94-6
IUPAC namemethyl (1S,5R,6S)-5-pentan-3-yloxy-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate
Molecular formulaC13H20O4
Molecular weight240.29 g/mol
Exact mass240.1362
GradeReference Standard
HSN code38229090
InChIKeyBWNDCLRNSUNXGU-GRYCIOLGSA-N
SMILESCCC(CC)O[C@@H]1C=C(C[C@H]2[C@@H]1O2)C(=O)OC
PubChem CID66524789
Physical properties
Physical formSolid
LogP (XLogP3)2
H-bond donors / acceptors0 / 4
TPSA48.1 Ų

Documents

Frequently asked questions

What is the CAS number of (1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester?

The CAS Registry Number of (1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester is 1234858-94-6. It is also known as Methyl, (1S,5R,6S)-methyl 5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate.

What is the molecular formula and molecular weight of (1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester?

(1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester has the molecular formula C13H20O4 and a molecular weight of 240.29 g/mol. Its IUPAC name is methyl (1S,5R,6S)-5-pentan-3-yloxy-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate.

What is (1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester used for?

(1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester 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 (1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester can I order?

We supply (1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester 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,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester?

Yes. Every lot of (1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester 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,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester be shipped internationally?

Yes. We export (1R,5S,6S)-Rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

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