Ibuprofen Impurity E

Name: Ibuprofen Impurity E
Brand: Vaqora Chemicals
SKU: VQ-005099

About Ibuprofen Impurity E

Ibuprofen Impurity E (CAS 38861-78-8) is an impurity of Ibuprofen offered by Vaqora Chemicals. The compound has the formula C12H16O, corresponding to a molecular weight of 176.25 g/mol. Its systematic (IUPAC) name is 1-[4-(2-methylpropyl)phenyl]ethanone. Alternative names: 4'-Isobutylacetophenone and 1-(4-isobutylphenyl)ethanone.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Ibuprofen impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. Stock is available for quick dispatch.

Typical applications

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

Industries

Related to Ibuprofen

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

Ibuprofen impurities

Specifications & identifiers

Chemical identifiers
Product name	Ibuprofen Impurity E
Catalogue No.	VQ-005099
CAS Number	38861-78-8
IUPAC name	1-[4-(2-methylpropyl)phenyl]ethanone
Molecular formula	C₁₂H₁₆O
Molecular weight	176.25 g/mol
Exact mass	176.1201
Grade	Reference Standard
HSN code	38229090
InChIKey	KEAGRYYGYWZVPC-UHFFFAOYSA-N
SMILES	CC(C)CC1=CC=C(C=C1)C(=O)C
PubChem CID	93214

Physical properties
Physical form	Solid
LogP (XLogP3)	3.3
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
Synonyms	4'-Isobutylacetophenone, 1-(4-isobutylphenyl)ethanone, 1-(4-Isobutylphenyl)ethan-1-one, 1-Acetyl-4-isobutylbenzene, 1-[4-(2-Methylpropyl)phenyl]-1-ethanone, 4-(2-Methylpropyl)acetophenone, p-Acetylisobutylbenzene, p-Isobutylacetophenone, p-Isobutylphenyl methyl ketone, Ibuprofen Related Compound C, 4-Isobutylacetophenone, Ethanone, 1-[4-(2-methylpropyl)phenyl]-

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H226Flammable liquid and vapor
H315Causes skin irritation
H317May cause an allergic skin reaction
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P264, P272, P273, P280, P302 + P352, P303 + P361 + P353, P321, P332 + P317, P333 + P317, P362 + P364, P370 + P378, P391, P403 + P235, 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

Other grades of CAS 38861-78-8

4′-Isobutylacetophenone, 96%

CAS: 38861-78-8
Formula: C₁₂H₁₆O
MW: 176.25 g/mol

VQ-008054

Frequently asked questions

What is the CAS number of Ibuprofen Impurity E?

The CAS Registry Number of Ibuprofen Impurity E is 38861-78-8. It is also known as 4'-Isobutylacetophenone, 1-(4-isobutylphenyl)ethanone, 1-(4-Isobutylphenyl)ethan-1-one.

What is the molecular formula and molecular weight of Ibuprofen Impurity E?

Ibuprofen Impurity E has the molecular formula C12H16O and a molecular weight of 176.25 g/mol. Its IUPAC name is 1-[4-(2-methylpropyl)phenyl]ethanone.

What is Ibuprofen Impurity E used for?

Ibuprofen Impurity E is supplied as a characterised reference material related to Ibuprofen. 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 Ibuprofen Impurity E can I order?

We supply Ibuprofen Impurity E in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ibuprofen Impurity E?

Yes. Every lot of Ibuprofen Impurity E 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 Ibuprofen Impurity E be shipped internationally?

Yes. Ibuprofen Impurity E 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.