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Pharmacopeial Impurities (EP / USP / BP)

Flubendazole EP Impurity E

Reference StandardAvailable on request

Buy Flubendazole EP Impurity E (CAS 66939-00-2) from Zemixal: C16H12FN3O3, COA and SDS with every lot, worldwide shipping.

Pack sizes
Flubendazole EP Impurity E chemical structure
CAS number66939-00-2
FormulaC16H12FN3O3
Molar mass313.28 g/mol
Physical formSolid
HS code38229090
InChIKeyQTHXIRKBRCLTPI-UHFFFAOYSA-N
IUPAC namemethyl N-[6-(2-fluorobenzoyl)-1H-benzimidazol-2-yl]carbamate

About Flubendazole EP Impurity E

Flubendazole EP Impurity E belongs to the Flubendazole reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 66939-00-2, formula C16H12FN3O3 and molar mass 313.28 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

Handling and storage

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

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. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Flubendazole

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

Flubendazole 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 Flubendazole EP Impurity E
Product nameFlubendazole EP Impurity E
Catalogue numberZX-024765
CAS number66939-00-2
IUPAC namemethyl N-[6-(2-fluorobenzoyl)-1H-benzimidazol-2-yl]carbamate
Molecular formulaC16H12FN3O3
Molar mass313.28 g/mol
Exact mass313.0863
GradeReference Standard
Physical formSolid
XLogP32.9
H-bond donors / acceptors2 / 5
Topological polar surface area84.1 Ų
HS code38229090
InChIKeyQTHXIRKBRCLTPI-UHFFFAOYSA-N
SMILESCOC(=O)NC1=NC2=C(N1)C=C(C=C2)C(=O)C3=CC=CC=C3F
PubChem CID129318574
SynonymsFlubendazole - Impurity E, Flubendazole Impurity E, Methyl [5-(2-Fluorobenzoyl)-1H-benzimidazol-2-yl]carbamate, methyl (5-(2-fluorobenzoyl)-1H-benzo[d]imidazol-2-yl)carbamate

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 Flubendazole EP Impurity E
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 Flubendazole EP Impurity E

Which CAS number identifies Flubendazole EP Impurity E?
Flubendazole EP Impurity E is registered under CAS 66939-00-2. You may also see it listed as Flubendazole - Impurity E, Flubendazole Impurity E, Methyl [5-(2-Fluorobenzoyl)-1H-benzimidazol-2-yl]carbamate. Our catalogue number for this item is ZX-024765.
What are the formula and molar mass of Flubendazole EP Impurity E?
For Flubendazole EP Impurity E, its formula is C16H12FN3O3 and its molar mass is 313.28 g/mol. The systematic (IUPAC) name is methyl N-[6-(2-fluorobenzoyl)-1H-benzimidazol-2-yl]carbamate. InChIKey QTHXIRKBRCLTPI-UHFFFAOYSA-N lets you match it in any structure database.
How is Flubendazole EP Impurity E used in pharmaceutical QC?
Flubendazole EP Impurity E is a characterised reference material linked to Flubendazole. 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 Flubendazole EP Impurity E?
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 Flubendazole EP Impurity E?
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 Flubendazole EP Impurity E to my country?
Yes. Because Flubendazole EP Impurity E 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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