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VAQORACHEMICALS
Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Felodipine EP Impurity B

Synonyms: Clevidipine 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

CAS No.91189-59-2
FormulaC17H17Cl2NO4
Mol. weight370.20
Catalogue No.VQ-022635
PurityReference Standard
HSN38229090

Felodipine EP Impurity B (CAS 91189-59-2) – Felodipine impurity standard. C17H17Cl2NO4, MW 370.2. Supplied by Vaqora Chemicals with COA, exported worldwide.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Felodipine EP Impurity B

Vaqora Chemicals supplies Felodipine EP Impurity B, a pharmacopeial impurity of Felodipine registered under CAS number 91189-59-2. Its molecular formula is C17H17Cl2NO4 and its molecular weight is 370.2 g/mol. Systematically, it is named dimethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate. Alternative names: Clevidipine Impurity B and Felodipine - Impurity B.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Felodipine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Felodipine

View every impurity, metabolite and intermediate we list for Felodipine.

Felodipine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameFelodipine EP Impurity B
Catalogue No.VQ-022635
CAS Number91189-59-2
IUPAC namedimethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Molecular formulaC17H17Cl2NO4
Molecular weight370.2 g/mol
Exact mass369.0535
GradeReference Standard
HSN 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
Physical properties
Physical formSolid
LogP (XLogP3)3.5
H-bond donors / acceptors1 / 5
TPSA64.6 Ų
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

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant
GHS08 Health hazard
Health hazard

Signal word: Warning

Hazard statements

  • 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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of Felodipine EP Impurity B?

The CAS Registry Number of Felodipine EP Impurity B is 91189-59-2. It is also known as Clevidipine Impurity B, Felodipine - Impurity B, 3,5-dimethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate.

What is the molecular formula and molecular weight of Felodipine EP Impurity B?

Felodipine EP Impurity B has the molecular formula C17H17Cl2NO4 and a molecular weight of 370.2 g/mol. Its IUPAC name is dimethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate.

What is Felodipine EP Impurity B used for?

Felodipine EP Impurity B is supplied as a characterised reference material related to Felodipine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Felodipine EP Impurity B can I order?

We supply Felodipine EP Impurity B in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Felodipine EP Impurity B?

Yes. Every lot of Felodipine EP Impurity B is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Felodipine EP Impurity B be shipped internationally?

Yes. Felodipine EP Impurity B is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about Felodipine EP Impurity B

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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