3-Hydroxy Phenytoin

Name: 3-Hydroxy Phenytoin
Brand: Vaqora Chemicals
SKU: VQ-041456

About 3-Hydroxy Phenytoin

3-Hydroxy Phenytoin is a metabolite or degradation product of Phenytoin carrying the CAS registry number 30074-03-4. With the molecular formula C15H12N2O3, it has a molar mass of 268.27 g/mol. The IUPAC name is 5-(3-hydroxyphenyl)-5-phenylimidazolidine-2,4-dione. Alternative names: 5-(3-Hydroxyphenyl)-5-phenylhydantoin and 5-(3'-Hydroxyphenyl)-5-phenylhydantoin.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Analytical teams use this compound to identify metabolites and degradants of Phenytoin, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 3-Hydroxy Phenytoin in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Phenytoin

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

Phenytoin impurities

Specifications & identifiers

Chemical identifiers
Product name	3-Hydroxy Phenytoin
Catalogue No.	VQ-041456
CAS Number	30074-03-4
IUPAC name	5-(3-hydroxyphenyl)-5-phenylimidazolidine-2,4-dione
Molecular formula	C₁₅H₁₂N₂O₃
Molecular weight	268.27 g/mol
Exact mass	268.0848
Grade	Reference Standard
HSN code	38229090
InChIKey	FSPRLRPJSPWQNC-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)C2(C(=O)NC(=O)N2)C3=CC(=CC=C3)O
PubChem CID	91597

Physical properties
Physical form	Solid
LogP (XLogP3)	2.1
H-bond donors / acceptors	3 / 3
TPSA	78.4 Å²
Synonyms	5-(3-Hydroxyphenyl)-5-phenylhydantoin, 5-(3'-Hydroxyphenyl)-5-phenylhydantoin, 5-HPPH, 5-(m-Hydroxyphenyl)-5-phenylhydantoin, m-Hydroxydiphenylhydantoin, 2,4-Imidazolidinedione, 5-(3-hydroxyphenyl)-5-phenyl-, 4-(m-Hydroxyphenyl)-4-phenylperhydroimidazole-2,5-dione, 2,4-Imidazolidinedione,5-(3-hydroxyphenyl)-5-phenyl-, 5-m-hydroxyphenyl-5-phenylhydantoin, 4-(3-Hydroxyphenyl)-4-phenyl-4H-imidazole-2,5-diol, 5-(3-hydroxyphenyl)-5-phenyl-imidazolidine-2,4-dione

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 3-Hydroxy Phenytoin?

The CAS Registry Number of 3-Hydroxy Phenytoin is 30074-03-4. It is also known as 5-(3-Hydroxyphenyl)-5-phenylhydantoin, 5-(3'-Hydroxyphenyl)-5-phenylhydantoin, 5-HPPH.

What is the molecular formula and molecular weight of 3-Hydroxy Phenytoin?

3-Hydroxy Phenytoin has the molecular formula C15H12N2O3 and a molecular weight of 268.27 g/mol. Its IUPAC name is 5-(3-hydroxyphenyl)-5-phenylimidazolidine-2,4-dione.

What is 3-Hydroxy Phenytoin used for?

3-Hydroxy Phenytoin 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 3-Hydroxy Phenytoin can I order?

We supply 3-Hydroxy Phenytoin 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 3-Hydroxy Phenytoin?

Yes. Every lot of 3-Hydroxy Phenytoin 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 3-Hydroxy Phenytoin be shipped internationally?

Yes. 3-Hydroxy Phenytoin 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.