Fenoxaprop P-Ethyl

Name: Fenoxaprop P-Ethyl
Brand: Vaqora Chemicals
SKU: VQ-032628

About Fenoxaprop P-Ethyl

Fenoxaprop P-Ethyl is an impurity of Fenoxaprop carrying the CAS registry number 71283-80-2. With the molecular formula C18H16ClNO5, it has a molar mass of 361.8 g/mol. Its systematic (IUPAC) name is ethyl (2R)-2-[4-[(6-chloro-1,3-benzoxazol-2-yl)oxy]phenoxy]propanoate. Alternative names: Fenoxaprop-P-ethyl R Isomer and Fenoxaprop-P-ethyl [ISO:BSI].

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Fenoxaprop to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Fenoxaprop P-Ethyl 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

Industries

Related to Fenoxaprop

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

Fenoxaprop impurities

Specifications & identifiers

Chemical identifiers
Product name	Fenoxaprop P-Ethyl
Catalogue No.	VQ-032628
CAS Number	71283-80-2
IUPAC name	ethyl (2R)-2-[4-[(6-chloro-1,3-benzoxazol-2-yl)oxy]phenoxy]propanoate
Molecular formula	C₁₈H₁₆ClNO₅
Molecular weight	361.8 g/mol
Exact mass	361.0717
Grade	Reference Standard
HSN code	38229090
InChIKey	PQKBPHSEKWERTG-LLVKDONJSA-N
SMILES	CCOC(=O)[C@@H](C)OC1=CC=C(C=C1)OC2=NC3=C(O2)C=C(C=C3)Cl
PubChem CID	91707

Physical properties
Physical form	Solid
LogP (XLogP3)	4.1
H-bond donors / acceptors	0 / 6
TPSA	70.8 Å²
Synonyms	Fenoxaprop-P-ethyl R Isomer, Ethyl (2R)-(+)-2-[4-(6-chlorobenzoxazol-2-yloxy)phenoxy]propionate, Fenoxaprop-P-ethyl [ISO:BSI], WHIP S, WHIP 360, Propanoic acid, 2-(4-((6-chloro-2-benzoxazolyl)oxy)phenoxy)-, ethyl ester, (2R)-, Ethyl (R)-2-[4-[(6-Chlorobenzo[d]oxazol-2-yl)oxy]phenoxy]propanoate

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Warning

Hazard statements

H317May cause an allergic skin reaction
H373May causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P260, P261, P272, P273, P280, P302 + P352, P319, P321, P333 + P317, P362 + P364, P391, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Fenoxaprop P-Ethyl?

The CAS Registry Number of Fenoxaprop P-Ethyl is 71283-80-2. It is also known as Fenoxaprop-P-ethyl R Isomer, Ethyl (2R)-(+)-2-[4-(6-chlorobenzoxazol-2-yloxy)phenoxy]propionate, Fenoxaprop-P-ethyl [ISO:BSI].

What is the molecular formula and molecular weight of Fenoxaprop P-Ethyl?

Fenoxaprop P-Ethyl has the molecular formula C18H16ClNO5 and a molecular weight of 361.8 g/mol. Its IUPAC name is ethyl (2R)-2-[4-[(6-chloro-1,3-benzoxazol-2-yl)oxy]phenoxy]propanoate.

What is Fenoxaprop P-Ethyl used for?

Fenoxaprop P-Ethyl is supplied as a characterised reference material related to Fenoxaprop. 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 Fenoxaprop P-Ethyl can I order?

We supply Fenoxaprop P-Ethyl 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 Fenoxaprop P-Ethyl?

Yes. Every lot of Fenoxaprop P-Ethyl 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 Fenoxaprop P-Ethyl be shipped internationally?

Yes. Fenoxaprop P-Ethyl is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.