Closantel EP Impurity D

Name: Closantel EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-036421

About Closantel EP Impurity D

Closantel EP Impurity D (CAS 2518220-00-1) is a pharmacopeial impurity of Closantel offered by Vaqora Chemicals. The compound has the formula C22H16Cl2I2N2O3, corresponding to a molecular weight of 681.1 g/mol. Its systematic (IUPAC) name is N-[4-[2-amino-1-(4-chlorophenyl)-2-oxoethyl]-5-chloro-2-methylphenyl]-2-hydroxy-3,5-diiodobenzamide. Common synonyms include Closantel Sodium Dihydrate - Impurity D.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Closantel, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in 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 Closantel

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

Closantel impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Closantel EP Impurity D
Catalogue No.	VQ-036421
CAS Number	2518220-00-1
IUPAC name	N-[4-[2-amino-1-(4-chlorophenyl)-2-oxoethyl]-5-chloro-2-methylphenyl]-2-hydroxy-3,5-diiodobenzamide
Molecular formula	C₂₂H₁₆Cl₂I₂N₂O₃
Molecular weight	681.1 g/mol
Exact mass	679.8627
Grade	Reference Standard
HSN code	38229090
InChIKey	ABAOHANPTJAASG-UHFFFAOYSA-N
SMILES	CC1=CC(=C(C=C1NC(=O)C2=C(C(=CC(=C2)I)I)O)Cl)C(C3=CC=C(C=C3)Cl)C(=O)N
PubChem CID	169433203

Physical properties
Physical form	Solid
LogP (XLogP3)	6.4
H-bond donors / acceptors	3 / 3
TPSA	92.4 Å²

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 Closantel EP Impurity D?

The CAS Registry Number of Closantel EP Impurity D is 2518220-00-1. It is also known as Closantel Sodium Dihydrate - Impurity D.

What is the molecular formula and molecular weight of Closantel EP Impurity D?

Closantel EP Impurity D has the molecular formula C22H16Cl2I2N2O3 and a molecular weight of 681.1 g/mol. Its IUPAC name is N-[4-[2-amino-1-(4-chlorophenyl)-2-oxoethyl]-5-chloro-2-methylphenyl]-2-hydroxy-3,5-diiodobenzamide.

What is Closantel EP Impurity D used for?

Closantel EP Impurity D is supplied as a characterised reference material related to Closantel. 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 Closantel EP Impurity D can I order?

We supply Closantel EP Impurity D 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 Closantel EP Impurity D?

Yes. Every lot of Closantel EP Impurity D 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 Closantel EP Impurity D be shipped internationally?

Yes. We export Closantel EP Impurity D worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.