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Pharmacopeial Impurities (EP / USP / BP)

Caffeine EP Impurity F

Reference StandardAvailable on request

Caffeine EP Impurity F (CAS 611-59-6) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-020097.

Pack sizes
Caffeine EP Impurity F chemical structure
CAS number611-59-6
FormulaC7H8N4O2
Molar mass180.16 g/mol
Physical formSolid
HS code38229090
InChIKeyQUNWUDVFRNGTCO-UHFFFAOYSA-N
IUPAC name1,7-dimethyl-3H-purine-2,6-dione

About Caffeine EP Impurity F

Caffeine EP Impurity F belongs to the Caffeine reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 611-59-6, formula C7H8N4O2 and molar mass 180.16 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. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Caffeine

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

Caffeine 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 Caffeine EP Impurity F
Product nameCaffeine EP Impurity F
Catalogue numberZX-020097
CAS number611-59-6
IUPAC name1,7-dimethyl-3H-purine-2,6-dione
Molecular formulaC7H8N4O2
Molar mass180.16 g/mol
Exact mass180.0647
GradeReference Standard
Physical formSolid
XLogP3-0.2
H-bond donors / acceptors1 / 3
Topological polar surface area67.2 Ų
HS code38229090
InChIKeyQUNWUDVFRNGTCO-UHFFFAOYSA-N
SMILESCN1C=NC2=C1C(=O)N(C(=O)N2)C
PubChem CID4687
SynonymsCaffeine - Impurity F, paraxanthine, 1,7-Dimethylxanthine, p-Xanthine, 1H-Purine-2,6-dione, 3,7-dihydro-1,7-dimethyl-, 1,7-dimethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione, 1,7-Dimethyl-3,7-dihydro-1H-purine-2,6-dione, 1,7-Dimethyl-1H-purine-2,6(3H,7H)-dione, 3,7-Dihydro-1,7-dimethyl-1H-purine-2,6-dione, Xanthine, 1,7-dimethyl-, Caffeine Impurity F, 1,7-dimethyl-Xanthine

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 Caffeine EP Impurity F
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 Caffeine EP Impurity F

Which CAS number identifies Caffeine EP Impurity F?
Caffeine EP Impurity F is registered under CAS 611-59-6. You may also see it listed as Caffeine - Impurity F, paraxanthine, 1,7-Dimethylxanthine. Our catalogue number for this item is ZX-020097.
What are the formula and molar mass of Caffeine EP Impurity F?
For Caffeine EP Impurity F, its formula is C7H8N4O2 and its molar mass is 180.16 g/mol. The systematic (IUPAC) name is 1,7-dimethyl-3H-purine-2,6-dione. InChIKey QUNWUDVFRNGTCO-UHFFFAOYSA-N lets you match it in any structure database.
How is Caffeine EP Impurity F used in pharmaceutical QC?
Caffeine EP Impurity F is a characterised reference material linked to Caffeine. 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 Caffeine EP Impurity F?
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 Caffeine EP Impurity F?
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 Caffeine EP Impurity F to my country?
Yes. Because Caffeine EP Impurity F 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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