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Stable Isotope Labelled Standards (Deuterated, 13C, 15N)

Phenytoin-d10

Reference StandardAvailable on request

Buy Phenytoin-d10 (CAS 65854-97-9) from Zemixal: C15H12N2O2, COA and SDS with every lot, worldwide shipping. Quotes within one business day.

Pack sizes
Phenytoin-d10 chemical structure
CAS number65854-97-9
FormulaC15H12N2O2
Molar mass262.33 g/mol
Physical formSolid
HS code38229090
InChIKeyCXOFVDLJLONNDW-LHNTUAQVSA-N
IUPAC name5,5-bis(2,3,4,5,6-pentadeuteriophenyl)imidazolidine-2,4-dione

About Phenytoin-d10

Analytical teams working on Phenytoin use Phenytoin-d10 as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 65854-97-9, formula C15H12N2O2 and molar mass 262.33 g/mol. It is handled as a solid.

Where it is used

  • LC-MS/MS internal standard
  • Bioanalytical quantitation
  • Pharmacokinetic studies

Safe handling

It carries the GHS signal word Danger (H302, H350 and H360), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Phenytoin

See every impurity, metabolite and related compound we list for this API.

Phenytoin standards

Typical uses

  • LC-MS/MS internal standard
  • Bioanalytical quantitation
  • Pharmacokinetic studies

Applications

Grade guides

Specifications and identifiers

Specifications of Phenytoin-d10
Product namePhenytoin-d10
Catalogue numberZX-035975
CAS number65854-97-9
IUPAC name5,5-bis(2,3,4,5,6-pentadeuteriophenyl)imidazolidine-2,4-dione
Molecular formulaC15H12N2O2
Molar mass262.33 g/mol
Exact mass262.1526
GradeReference Standard
Physical formSolid
XLogP32.5
H-bond donors / acceptors2 / 2
Topological polar surface area58.2 Ų
HS code38229090
InChIKeyCXOFVDLJLONNDW-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 CID10999866
Synonyms5,5-(Diphenyl-d10) Hydantoin, 5,5-Diphenylhydantoin-d10, 5,5-Diphenyl-d5-imidazolidine-2,4-dione

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Phenytoin-d10
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Phenytoin-d10

Which CAS number identifies Phenytoin-d10?
Phenytoin-d10 is registered under CAS 65854-97-9. You may also see it listed as 5,5-(Diphenyl-d10) Hydantoin, 5,5-Diphenylhydantoin-d10, 5,5-Diphenyl-d5-imidazolidine-2,4-dione. Our catalogue number for this item is ZX-035975.
What are the formula and molar mass of Phenytoin-d10?
For Phenytoin-d10, its formula is C15H12N2O2 and its molar mass is 262.33 g/mol. The systematic (IUPAC) name is 5,5-bis(2,3,4,5,6-pentadeuteriophenyl)imidazolidine-2,4-dione. InChIKey CXOFVDLJLONNDW-LHNTUAQVSA-N lets you match it in any structure database.
How is Phenytoin-d10 used in pharmaceutical QC?
Phenytoin-d10 is a characterised reference material linked to Phenytoin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Phenytoin-d10?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Phenytoin-d10?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Phenytoin-d10 to my country?
Yes. Because Phenytoin-d10 is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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