Phenytoin EP Impurity F

Name: Phenytoin EP Impurity F
Brand: Vaqora Chemicals
SKU: VQ-027470

About Phenytoin EP Impurity F

Phenytoin EP Impurity F (CAS 51169-17-6) is a pharmacopeial impurity of Phenytoin offered by Vaqora Chemicals. Its molecular formula is C16H14N2O2 and its molecular weight is 266.29 g/mol. The IUPAC name is 5-(4-methylphenyl)-5-phenylimidazolidine-2,4-dione. Alternative names: 5-(p-Methylphenyl)-5-phenylhydantoin and 5-Phenyl-5-(4-tolyl)hydantoin.

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 3 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of Phenytoin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Phenytoin EP Impurity F is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Phenytoin

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

Phenytoin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Phenytoin EP Impurity F
Catalogue No.	VQ-027470
CAS Number	51169-17-6
IUPAC name	5-(4-methylphenyl)-5-phenylimidazolidine-2,4-dione
Molecular formula	C₁₆H₁₄N₂O₂
Molecular weight	266.29 g/mol
Exact mass	266.1055
Grade	Reference Standard
HSN code	38229090
InChIKey	WPAPSGQWYNPWCZ-UHFFFAOYSA-N
SMILES	CC1=CC=C(C=C1)C2(C(=O)NC(=O)N2)C3=CC=CC=C3
PubChem CID	92334

Physical properties
Physical form	Solid
LogP (XLogP3)	2.8
H-bond donors / acceptors	2 / 2
TPSA	58.2 Å²
Synonyms	5-(p-Methylphenyl)-5-phenylhydantoin, 5-Phenyl-5-(4-tolyl)hydantoin, 2,4-Imidazolidinedione, 5-(4-methylphenyl)-5-phenyl-, 5-p-Methylphenyl-5-phenylhydantoin, 5-(4'-Methylphenyl)-5-phenylhydantoin, 5-Phenyl-5-(p-tolyl)imidazolidine-2,4-dione, 5-Phenyl-5-(p-tolyl)hydantoin, 5-(4-methylphenyl)-5-phenyl-2,4-imidazolidinedione, 5-p-Tolyl-5-phenylhydantoin, 5-(4-methylphenyl)-5-phenyl-1,3-diazolidine-2,4-dione, Hydantoin, 5-phenyl-5-(p-tolyl), 2, 5-(4-methylphenyl)-5-phenyl-

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H351Suspected of causing cancer
H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P264, P270, P280, P301 + P317, P318, P330, P405, 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 Phenytoin EP Impurity F?

The CAS Registry Number of Phenytoin EP Impurity F is 51169-17-6. It is also known as 5-(p-Methylphenyl)-5-phenylhydantoin, 5-Phenyl-5-(4-tolyl)hydantoin, 2,4-Imidazolidinedione, 5-(4-methylphenyl)-5-phenyl-.

What is the molecular formula and molecular weight of Phenytoin EP Impurity F?

Phenytoin EP Impurity F has the molecular formula C16H14N2O2 and a molecular weight of 266.29 g/mol. Its IUPAC name is 5-(4-methylphenyl)-5-phenylimidazolidine-2,4-dione.

What is Phenytoin EP Impurity F used for?

Phenytoin EP Impurity F is supplied as a characterised reference material related to Phenytoin. 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 Phenytoin EP Impurity F can I order?

We supply Phenytoin EP Impurity F 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 Phenytoin EP Impurity F?

Yes. Every lot of Phenytoin EP Impurity F 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 Phenytoin EP Impurity F be shipped internationally?

Yes. Phenytoin EP Impurity F 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.