Ethyl

Name: Ethyl
Brand: Zemixal
SKU: ZX-030982

Reference StandardAvailable on request

Ethyl (CAS 204254-96-6) supplier Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes

CAS number204254-96-6

FormulaC₁₄H₂₂O₄

Molar mass254.32 g/mol

Physical formSolid

HS code38229090

InChIKeyXZXCGRFGEVXWIT-FRRDWIJNSA-N

IUPAC nameethyl (1S,5R,6S)-5-pentan-3-yloxy-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate

About Ethyl

Zemixal lists Ethyl for laboratories that identify, quantify or control Oseltamivir and its related substances. Identity at a glance (Reference Standard): CAS 204254-96-6, formula C14H22O4 and molar mass 254.32 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

Handling and storage

Classified under GHS with signal word Warning and hazard statements H317. Read the SDS before first use.

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

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Ethyl
Product name	Ethyl
Catalogue number	ZX-030982
CAS number	204254-96-6
IUPAC name	ethyl (1S,5R,6S)-5-pentan-3-yloxy-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate
Molecular formula	C₁₄H₂₂O₄
Molar mass	254.32 g/mol
Exact mass	254.1518
Grade	Reference Standard
Physical form	Solid
XLogP3	2.4
H-bond donors / acceptors	0 / 4
Topological polar surface area	48.1 Å²
HS code	38229090
InChIKey	XZXCGRFGEVXWIT-FRRDWIJNSA-N
SMILES	CCC(CC)O[C@@H]1C=C(C[C@H]2[C@@H]1O2)C(=O)OCC
PubChem CID	10131259
Synonyms	ethyl (1S,5R,6S)-5-(1-ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate, Ethyl (1S,5R,6S)-5-(1-ethylpropoxy)-7-oxabicyclo(4.1.0)hept-3-ene-3-carboxylate, Ethyl (1S,5R,6S)-5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate, (1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate, Ethyl (3R,4S,5S)-4,5-Epoxy-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylate, DFO-5, (1S,5R,6S)-ethyl 5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate, ethyl (1S,5R,6S)-5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate, Oseltamivir intermediate, Ethyl (3R,4S,5S)4,5-Epoxy-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylate, Ethyl(3R,4S,5S)-4,5-Epoxy-3-(1-ethyl-propoxy)-cyclohex-1-ene-1-carboxylate, Oseltamivir Intermediate 8

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Health hazard

Signal word Warning

H317May cause an allergic skin reaction

Precautionary statements P260, P261, P272, P280, P302 + P352, P319, P321, P333 + P317, P362 + P364, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Ethyl
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 Ethyl

Which CAS number identifies Ethyl?

Ethyl is registered under CAS 204254-96-6. You may also see it listed as ethyl (1S,5R,6S)-5-(1-ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate, Ethyl (1S,5R,6S)-5-(1-ethylpropoxy)-7-oxabicyclo(4.1.0)hept-3-ene-3-carboxylate, Ethyl (1S,5R,6S)-5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate. Our catalogue number for this item is ZX-030982.

What are the formula and molar mass of Ethyl?

For Ethyl, its formula is C14H22O4 and its molar mass is 254.32 g/mol. The systematic (IUPAC) name is ethyl (1S,5R,6S)-5-pentan-3-yloxy-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate. InChIKey XZXCGRFGEVXWIT-FRRDWIJNSA-N lets you match it in any structure database.

How is Ethyl used in pharmaceutical QC?

Ethyl 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 Ethyl?

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 Ethyl?

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 Ethyl to my country?

Yes. Because Ethyl is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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