Phenytoin-d10

Name: Phenytoin-d10
Brand: Vaqora Chemicals
SKU: VQ-041458

About Phenytoin-d10

Phenytoin-d10 (CAS 65854-97-9) is a stable isotope labelled analogue related to Phenytoin offered by Vaqora Chemicals. The compound has the formula C15H12N2O2, corresponding to a molecular weight of 262.33 g/mol. The IUPAC name is 5,5-bis(2,3,4,5,6-pentadeuteriophenyl)imidazolidine-2,4-dione. Common synonyms include 5,5-(Diphenyl-d10) Hydantoin and 5,5-Diphenylhydantoin-d10.

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 “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

This isotope-labelled compound is used as an internal standard for LC-MS and LC-MS/MS quantitation of Phenytoin and related analytes in bioanalytical, pharmacokinetic and impurity studies. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Phenytoin-d10 in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

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-d10
Catalogue No.	VQ-041458
CAS Number	65854-97-9
IUPAC name	5,5-bis(2,3,4,5,6-pentadeuteriophenyl)imidazolidine-2,4-dione
Molecular formula	C₁₅H₁₂N₂O₂
Molecular weight	262.33 g/mol
Exact mass	262.1526
Grade	Reference Standard
HSN code	38229090
InChIKey	CXOFVDLJLONNDW-LHNTUAQVSA-N
SMILES	[2H]C1=C(C(=C(C(=C1[2H])[2H])C2(C(=O)NC(=O)N2)C3=C(C(=C(C(=C3[2H])[2H])[2H])[2H])[2H])[2H])[2H]
PubChem CID	10999866

Physical properties
Physical form	Solid
LogP (XLogP3)	2.5
H-bond donors / acceptors	2 / 2
TPSA	58.2 Å²

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H350May cause cancer
H360May damage 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-d10?

The CAS Registry Number of Phenytoin-d10 is 65854-97-9. It is also known as 5,5-(Diphenyl-d10) Hydantoin, 5,5-Diphenylhydantoin-d10, 5,5-Diphenyl-d5-imidazolidine-2,4-dione.

What is the molecular formula and molecular weight of Phenytoin-d10?

Phenytoin-d10 has the molecular formula C15H12N2O2 and a molecular weight of 262.33 g/mol. Its IUPAC name is 5,5-bis(2,3,4,5,6-pentadeuteriophenyl)imidazolidine-2,4-dione.

What is Phenytoin-d10 used for?

Phenytoin-d10 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-d10 can I order?

We supply Phenytoin-d10 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-d10?

Yes. Every lot of Phenytoin-d10 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-d10 be shipped internationally?

Yes. Phenytoin-d10 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.