Felodipine EP Impurity B

Name: Felodipine EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-022635

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 name	Felodipine EP Impurity B
Catalogue No.	VQ-022635
CAS Number	91189-59-2
IUPAC name	dimethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Molecular formula	C₁₇H₁₇Cl₂NO₄
Molecular weight	370.2 g/mol
Exact mass	369.0535
Grade	Reference Standard
HSN code	38229090
InChIKey	VEACAIASCBTOFS-UHFFFAOYSA-N
SMILES	CC1=C(C(C(=C(N1)C)C(=O)OC)C2=C(C(=CC=C2)Cl)Cl)C(=O)OC
PubChem CID	3378865

Physical properties
Physical form	Solid
LogP (XLogP3)	3.5
H-bond donors / acceptors	1 / 5
TPSA	64.6 Å²
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, 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)

Harmful / irritant

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

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 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.