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Pharmacopeial Impurities (EP / USP / BP)

Theophylline EP Impurity D

Reference StandardAvailable on request

Order Theophylline EP Impurity D (CAS 6736-40-9) online at Zemixal: C6H10N4O, COA and SDS with every lot, worldwide shipping.

Pack sizes
Theophylline EP Impurity D chemical structure
CAS number6736-40-9
FormulaC6H10N4O
Molar mass154.17 g/mol
Physical formSolid
HS code38229090
InChIKeyHBYDWASAZICSRC-UHFFFAOYSA-N
IUPAC nameN-methyl-4-(methylamino)-1H-imidazole-5-carboxamide

About Theophylline EP Impurity D

Theophylline EP Impurity D belongs to the Diprophylline reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 6736-40-9, formula C6H10N4O and molar mass 154.17 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Safe handling

Hazard communication follows GHS (Warning: H302). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. 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 Diprophylline

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

Diprophylline standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Theophylline EP Impurity D
Product nameTheophylline EP Impurity D
Catalogue numberZX-022889
CAS number6736-40-9
IUPAC nameN-methyl-4-(methylamino)-1H-imidazole-5-carboxamide
Molecular formulaC6H10N4O
Molar mass154.17 g/mol
Exact mass154.0855
GradeReference Standard
Physical formSolid
XLogP30.5
H-bond donors / acceptors3 / 3
Topological polar surface area69.8 Ų
HS code38229090
InChIKeyHBYDWASAZICSRC-UHFFFAOYSA-N
SMILESCNC1=C(NC=N1)C(=O)NC
PubChem CID12443409
SynonymsN-Methyl-5-(methylamino)-1H-imidazole-4-carboxamide (Theophyllidine), Diprophylline EP Impurity A, Theophylline - Impurity D (Freebase), Theophyllidine, N-methyl-5-(methylamino)-1H-imidazole-4-carboxamide, 1H-Imidazole-4-carboxamide, N-methyl-5-(methylamino)-, Theophyllidin, 4-methylamino-5-methylcarbamoylimidazole, N-Methyl-5-methylamino-1H-imidazole-4-carboxamide

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

Signal word Warning

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, 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 Theophylline EP Impurity D
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 Theophylline EP Impurity D

Which CAS number identifies Theophylline EP Impurity D?
Theophylline EP Impurity D is registered under CAS 6736-40-9. You may also see it listed as N-Methyl-5-(methylamino)-1H-imidazole-4-carboxamide (Theophyllidine), Diprophylline EP Impurity A, Theophylline - Impurity D (Freebase). Our catalogue number for this item is ZX-022889.
What are the formula and molar mass of Theophylline EP Impurity D?
For Theophylline EP Impurity D, its formula is C6H10N4O and its molar mass is 154.17 g/mol. The systematic (IUPAC) name is N-methyl-4-(methylamino)-1H-imidazole-5-carboxamide. InChIKey HBYDWASAZICSRC-UHFFFAOYSA-N lets you match it in any structure database.
How is Theophylline EP Impurity D used in pharmaceutical QC?
Theophylline EP Impurity D is a characterised reference material linked to Diprophylline. 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 Theophylline EP Impurity D?
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 Theophylline EP Impurity D?
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 Theophylline EP Impurity D to my country?
Yes. Because Theophylline EP Impurity D 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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