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Pharmacopeial Impurities (EP / USP / BP)

Felodipine EP Impurity B

Reference StandardAvailable on request

Felodipine EP Impurity B (CAS 91189-59-2) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-021664.

Pack sizes
Felodipine EP Impurity B chemical structure
CAS number91189-59-2
FormulaC17H17Cl2NO4
Molar mass370.2 g/mol
Physical formSolid
HS code38229090
InChIKeyVEACAIASCBTOFS-UHFFFAOYSA-N
IUPAC namedimethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

About Felodipine EP Impurity B

Felodipine EP Impurity B belongs to the Felodipine reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 91189-59-2, formula C17H17Cl2NO4 and molar mass 370.2 g/mol. It is handled as a solid.

Use cases we see most often

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

Handling and storage

It carries the GHS signal word Warning (H302, H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Felodipine

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

Felodipine 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 Felodipine EP Impurity B
Product nameFelodipine EP Impurity B
Catalogue numberZX-021664
CAS number91189-59-2
IUPAC namedimethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Molecular formulaC17H17Cl2NO4
Molar mass370.2 g/mol
Exact mass369.0535
GradeReference Standard
Physical formSolid
XLogP33.5
H-bond donors / acceptors1 / 5
Topological polar surface area64.6 Ų
HS code38229090
InChIKeyVEACAIASCBTOFS-UHFFFAOYSA-N
SMILESCC1=C(C(C(=C(N1)C)C(=O)OC)C2=C(C(=CC=C2)Cl)Cl)C(=O)OC
PubChem CID3378865
SynonymsClevidipine Impurity B, Felodipine - Impurity B, 3,5-dimethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate, Felodipine 3,5-Dimethyl Ester, 2,6-dimethyl-3,5-dicarbomethoxy-4-(2',3'-dichlorophenyl)-1,4-dihydropyridine, 3,5-Dimethyl 4-(2,3-dichlorophenyl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylate, dimethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarboxylate, Dimethyl4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

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
GHS08 Health hazard
Health hazard

Signal word Warning

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H361Suspected of damaging fertility or the unborn child
  • H373May causes damage to organs through prolonged or repeated exposure
  • H412Harmful to aquatic life with long lasting effects

Precautionary statements P203, P260, P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 Felodipine EP Impurity B
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 Felodipine EP Impurity B

Which CAS number identifies Felodipine EP Impurity B?
Felodipine EP Impurity B is registered under CAS 91189-59-2. You may also see it listed as Clevidipine Impurity B, Felodipine - Impurity B, 3,5-dimethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate. Our catalogue number for this item is ZX-021664.
What are the formula and molar mass of Felodipine EP Impurity B?
For Felodipine EP Impurity B, its formula is C17H17Cl2NO4 and its molar mass is 370.2 g/mol. The systematic (IUPAC) name is dimethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate. InChIKey VEACAIASCBTOFS-UHFFFAOYSA-N lets you match it in any structure database.
How is Felodipine EP Impurity B used in pharmaceutical QC?
Felodipine EP Impurity B is a characterised reference material linked to Felodipine. 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 Felodipine EP Impurity B?
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 Felodipine EP Impurity B?
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 Felodipine EP Impurity B to my country?
Yes. Because Felodipine EP Impurity B 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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