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

Phenobarbital-d5

Reference StandardAvailable on request

Phenobarbital-d5 (CAS 73738-05-3) supplier Zemixal: C12H12N2O3, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-042345.

Pack sizes
Phenobarbital-d5 chemical structure
CAS number73738-05-3
FormulaC12H12N2O3
Molar mass237.27 g/mol
Physical formSolid
HS code38229090
InChIKeyDDBREPKUVSBGFI-ZBJDZAJPSA-N
IUPAC name5-(1,1,2,2,2-pentadeuterioethyl)-5-phenyl-1,3-diazinane-2,4,6-trione

About Phenobarbital-d5

Zemixal lists Phenobarbital-d5 for laboratories that identify, quantify or control Phenobarbital and its related substances. Identity at a glance (Reference Standard): CAS 73738-05-3, formula C12H12N2O3 and molar mass 237.27 g/mol. It is handled as a solid.

Where it is used

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

Safe handling

Classified under GHS with signal word Danger and hazard statements H301, H317, H351 and H360. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Phenobarbital

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

Phenobarbital standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Deuterated and Stable-Isotope-Labelled Compounds

Specifications and identifiers

Specifications of Phenobarbital-d5
Product namePhenobarbital-d5
Catalogue numberZX-042345
CAS number73738-05-3
IUPAC name5-(1,1,2,2,2-pentadeuterioethyl)-5-phenyl-1,3-diazinane-2,4,6-trione
Molecular formulaC12H12N2O3
Molar mass237.27 g/mol
Exact mass237.1162
GradeReference Standard
Physical formSolid
XLogP31.5
H-bond donors / acceptors2 / 3
Topological polar surface area75.3 Ų
HS code38229090
InChIKeyDDBREPKUVSBGFI-ZBJDZAJPSA-N
SMILES[2H]C([2H])([2H])C([2H])([2H])C1(C(=O)NC(=O)NC1=O)C2=CC=CC=C2
PubChem CID12249714
SynonymsPhenobarbital, (ethyl-d5)-, 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-(ethyl-d5)-5-phenyl-, Phenobarbital-d5 (ethyl-d5), Phenobarbital-D5 (side chain), 5-(~2~H_5_)Ethyl-5-phenyl-1,3-diazinane-2,4,6-trione

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H301Toxic if swallowed
  • H317May cause an allergic skin reaction
  • H351Suspected of causing cancer
  • H360May damage fertility or the unborn child

Precautionary statements P203, P261, P264, P270, P272, P280, P301 + P316, P302 + P352, P318, P321, P330, P333 + P317, P362 + P364, 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 Phenobarbital-d5
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 Phenobarbital-d5

Which CAS number identifies Phenobarbital-d5?
Phenobarbital-d5 is registered under CAS 73738-05-3. You may also see it listed as Phenobarbital, (ethyl-d5)-, 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-(ethyl-d5)-5-phenyl-, Phenobarbital-d5 (ethyl-d5). Our catalogue number for this item is ZX-042345.
What are the formula and molar mass of Phenobarbital-d5?
For Phenobarbital-d5, its formula is C12H12N2O3 and its molar mass is 237.27 g/mol. The systematic (IUPAC) name is 5-(1,1,2,2,2-pentadeuterioethyl)-5-phenyl-1,3-diazinane-2,4,6-trione. InChIKey DDBREPKUVSBGFI-ZBJDZAJPSA-N lets you match it in any structure database.
How is Phenobarbital-d5 used in pharmaceutical QC?
Phenobarbital-d5 is a characterised reference material linked to Phenobarbital. 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 Phenobarbital-d5?
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 Phenobarbital-d5?
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 Phenobarbital-d5 to my country?
Yes. Because Phenobarbital-d5 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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