Closantel-13C6

Name: Closantel-13C6
Brand: Vaqora Chemicals
SKU: VQ-036422

About Closantel-13C6

Closantel-13C6 (CAS 1325559-20-3) is a stable isotope labelled analogue related to Closantel offered by Vaqora Chemicals. With the molecular formula C22H14Cl2I2N2O2, it has a molar mass of 669.0 g/mol. Common synonyms include Closantel(benzoyl ring-13C6) and TMID-1104.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This isotope-labelled compound is used as an internal standard for LC-MS and LC-MS/MS quantitation of Closantel and related analytes in bioanalytical, pharmacokinetic and impurity studies. It is used across 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

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

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-13C6
Catalogue No.	VQ-036422
CAS Number	1325559-20-3
IUPAC name	N-[5-chloro-4-[(4-chlorophenyl)-cyanomethyl]-2-methylphenyl]-2-hydroxy-3,5-diiodo(1,2,3,4,5,6-13C6)cyclohexa-1,3,5-triene-1-carboxamide
Molecular formula	C₂₂H₁₄Cl₂I₂N₂O₂
Molecular weight	669 g/mol
Exact mass	667.8723
Grade	Reference Standard
HSN code	38229090
InChIKey	JMPFSEBWVLAJKM-ZCTWQCQHSA-N
SMILES	CC1=CC(=C(C=C1NC(=O)[13C]2=[13C]([13C](=[13CH][13C](=[13CH]2)I)I)O)Cl)C(C#N)C3=CC=C(C=C3)Cl
PubChem CID	71312578

Physical properties
Physical form	Solid
LogP (XLogP3)	7.2
H-bond donors / acceptors	2 / 3
TPSA	73.1 Å²

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H400Very toxic to aquatic life

Precautionary statements: P264, P270, P273, P301 + P317, P330, P391, 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 Closantel-13C6?

The CAS Registry Number of Closantel-13C6 is 1325559-20-3. It is also known as Closantel(benzoyl ring-13C6), TMID-1104, Closantel 13C6 (Benzoyl Ring 13C6).

What is the molecular formula and molecular weight of Closantel-13C6?

Closantel-13C6 has the molecular formula C22H14Cl2I2N2O2 and a molecular weight of 669 g/mol. Its IUPAC name is N-[5-chloro-4-[(4-chlorophenyl)-cyanomethyl]-2-methylphenyl]-2-hydroxy-3,5-diiodo(1,2,3,4,5,6-13C6)cyclohexa-1,3,5-triene-1-carboxamide.

What is Closantel-13C6 used for?

Closantel-13C6 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-13C6 can I order?

We supply Closantel-13C6 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-13C6?

Yes. Every lot of Closantel-13C6 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-13C6 be shipped internationally?

Yes. Closantel-13C6 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.