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API Impurities

Phenobarbital - Impurity A

Reference StandardAvailable on request

Order Phenobarbital - Impurity A (CAS 69125-70-8) online at Zemixal: C12H14N4O, COA and SDS with every lot, worldwide shipping.

Pack sizes
Phenobarbital - Impurity A chemical structure
CAS number69125-70-8
FormulaC12H14N4O
Molar mass230.27 g/mol
Physical formSolid
HS code38229090
InChIKeyZKPNDYQXPJGNCR-UHFFFAOYSA-N
IUPAC name6-amino-5-ethyl-2-imino-5-phenylpyrimidin-4-one

About Phenobarbital - Impurity A

Phenobarbital - Impurity A is supplied by Zemixal as a characterised reference material for Phenobarbital analysis. For your records (Reference Standard), the material is defined by CAS 69125-70-8, formula C12H14N4O and molar mass 230.27 g/mol. It is handled as a solid.

Typical applications

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Safe handling

It carries the GHS signal word Danger (H301, H317 and H351), 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. 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

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Phenobarbital - Impurity A
Product namePhenobarbital - Impurity A
Catalogue numberZX-035969
CAS number69125-70-8
IUPAC name6-amino-5-ethyl-2-imino-5-phenylpyrimidin-4-one
Molecular formulaC12H14N4O
Molar mass230.27 g/mol
Exact mass230.1168
GradeReference Standard
Physical formSolid
XLogP30.5
H-bond donors / acceptors3 / 2
Topological polar surface area91.3 Ų
HS code38229090
InChIKeyZKPNDYQXPJGNCR-UHFFFAOYSA-N
SMILESCCC1(C(=NC(=N)NC1=O)N)C2=CC=CC=C2
PubChem CID137321820
SynonymsPhenobarbital EP Impurity A, (5RS)-5-Ethyl-2,6-diimino-5-phenyltetrahydropyrimidin-4(1H)-one, 2,6-Desoxo-2,6-diimino-phenobarbital, (5H)-Pyrimidinone, 2,6-diamino-5-ethyl-5-phenyl-, 5-Ethyl-2,6-diimino-5-phenyltetrahydropyrimidin-4(1H)-one, (5RS)-, Phenobarbital specified impurity A, Phenylbutazone specified impurity A, 2,6-Diamino-5-ethyl-5-phenyl-4(5H)-Pyrimidinone, Phenobarbital Impurity 01, 2,6-diamino-5-ethyl-5-phenyl-pyrimidin-4-one

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
GHS08 Health hazard
Health hazard

Signal word Danger

  • H301Toxic if swallowed
  • H317May cause an allergic skin reaction
  • H351Suspected of causing cancer

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 - Impurity A
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 - Impurity A

Which CAS number identifies Phenobarbital - Impurity A?
Phenobarbital - Impurity A is registered under CAS 69125-70-8. You may also see it listed as Phenobarbital EP Impurity A, (5RS)-5-Ethyl-2,6-diimino-5-phenyltetrahydropyrimidin-4(1H)-one, 2,6-Desoxo-2,6-diimino-phenobarbital. Our catalogue number for this item is ZX-035969.
What are the formula and molar mass of Phenobarbital - Impurity A?
For Phenobarbital - Impurity A, its formula is C12H14N4O and its molar mass is 230.27 g/mol. The systematic (IUPAC) name is 6-amino-5-ethyl-2-imino-5-phenylpyrimidin-4-one. InChIKey ZKPNDYQXPJGNCR-UHFFFAOYSA-N lets you match it in any structure database.
How is Phenobarbital - Impurity A used in pharmaceutical QC?
Phenobarbital - Impurity A 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 - Impurity A?
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 - Impurity A?
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 - Impurity A to my country?
Yes. Because Phenobarbital - Impurity A 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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