Felodipine EP Impurity C

Name: Felodipine EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-025751

About Felodipine EP Impurity C

Felodipine EP Impurity C is a pharmacopeial impurity of Felodipine carrying the CAS registry number 79925-38-5. The compound has the formula C19H21Cl2NO4, corresponding to a molecular weight of 398.3 g/mol. The IUPAC name is diethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate. It is also known as Felodipine - Impurity C or Nemadipine B.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

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. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Felodipine EP Impurity C in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports 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 name	Felodipine EP Impurity C
Catalogue No.	VQ-025751
CAS Number	79925-38-5
IUPAC name	diethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Molecular formula	C₁₉H₂₁Cl₂NO₄
Molecular weight	398.3 g/mol
Exact mass	397.0848
Grade	Reference Standard
HSN code	38229090
InChIKey	BLLWOXSSRQPDAT-UHFFFAOYSA-N
SMILES	CCOC(=O)C1=C(NC(=C(C1C2=C(C(=CC=C2)Cl)Cl)C(=O)OCC)C)C
PubChem CID	987131

Physical properties
Physical form	Solid
LogP (XLogP3)	4.2
H-bond donors / acceptors	1 / 5
TPSA	64.6 Å²
Synonyms	Felodipine - Impurity C, Nemadipine B, Nemadipine-B, 3,5-diethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate, diethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarboxylate, 3,5-Diethyl 4-(2,3-dichlorophenyl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylate, diethyl 4-(2,3-dichlorophenyl)-1,4-dihydro-2,6-dimethylpyridine-3,5-dicarboxylate, diethyl4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

Safety & hazard information (GHS)

Health hazard

Environmental hazard

Signal word: Warning

Hazard statements

H361Suspected of damaging fertility or the unborn child
H373May causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P260, P273, P280, P318, P319, P391, 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

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Felodipine EP Impurity C?

The CAS Registry Number of Felodipine EP Impurity C is 79925-38-5. It is also known as Felodipine - Impurity C, Nemadipine B, Nemadipine-B.

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

Felodipine EP Impurity C has the molecular formula C19H21Cl2NO4 and a molecular weight of 398.3 g/mol. Its IUPAC name is diethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate.

What is Felodipine EP Impurity C used for?

Felodipine EP Impurity C 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 C can I order?

We supply Felodipine EP Impurity C 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 C?

Yes. Every lot of Felodipine EP Impurity C 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 C be shipped internationally?

Yes. Felodipine EP Impurity C 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.