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Antiviral, Antifungal & Antiparasitic APIs

Closantel

IP/BP/USPAvailable on request

Order Closantel (CAS 61438-64-0) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Purity 98.5%. Packs from 1 kg.

Pack sizes
Closantel chemical structure
CAS number61438-64-0
FormulaC22H13Cl2I2N2NaO2
Molar mass685.1 g/mol
Physical formPowder
HS code2933
Purity98.5%
InChIKeyLREGMDNUOGTSIK-UHFFFAOYSA-M
IUPAC namesodium 2-[[5-chloro-4-[(4-chlorophenyl)-cyanomethyl]-2-methylphenyl]carbamoyl]-4,6-diiodophenolate

About Closantel

Closantel sits in our antiviral, Antifungal & Antiparasitic APIs section and ships worldwide from stock or short lead time. Identity at a glance (IP/BP/USP): CAS 61438-64-0, formula C22H13Cl2I2N2NaO2 and molar mass 685.1 g/mol. It is described as yellow powder, slightly hygroscopic.(Results:Yellow powder, slightly hygroscopic).

Where it is used

  • Anti-infective formulations
  • Generic drug development
  • Formulation R&D

Handling and storage

It carries the GHS signal word Danger (H301, H302, H400 and H410), so wear gloves and eye protection and work with good ventilation.

Available as 1 kg, 5 kg and 25 kg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Closantel

See every impurity, metabolite and related compound we list for this API.

Closantel standards

Typical uses

  • Anti-infective formulations
  • Generic drug development
  • Formulation R&D

Applications

Pharmaceutical Manufacturing and QC

Grade guides

IP Grade (Indian Pharmacopoeia)BP Grade (British Pharmacopoeia)USP Grade (United States Pharmacopeia)

Specifications and identifiers

Specifications of Closantel
Product nameClosantel
Catalogue numberZX-003964
CAS number61438-64-0
IUPAC namesodium 2-[[5-chloro-4-[(4-chlorophenyl)-cyanomethyl]-2-methylphenyl]carbamoyl]-4,6-diiodophenolate
Molecular formulaC22H13Cl2I2N2NaO2
Molar mass685.1 g/mol
Exact mass683.8341
GradeIP/BP/USP
Purity / assay98.5%
Physical formPowder
AppearanceYellow powder, slightly hygroscopic.(Results:Yellow powder, slightly hygroscopic)
H-bond donors / acceptors1 / 3
Topological polar surface area76 Ų
HS code2933
InChIKeyLREGMDNUOGTSIK-UHFFFAOYSA-M
SMILESCC1=CC(=C(C=C1NC(=O)C2=C(C(=CC(=C2)I)I)[O-])Cl)C(C#N)C3=CC=C(C=C3)Cl.[Na+]
PubChem CID23683671
SynonymsClosantel sodium, Closantel (sodium), Closantel Sodium Salt, 61438-64-0 (sodium), MSK8209Na, Closantel sodium dihydrate CRS, Closantel (sodium) (Standard), Closantel for system suitability CRS

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H301Toxic if swallowed
  • H302Harmful if swallowed
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P264, P270, P273, P301 + P316, P301 + P317, P321, P330, P391, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Closantel
1 kgQuoted on request
5 kgQuoted on request
25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Closantel

Which CAS number identifies Closantel?
Closantel is registered under CAS 61438-64-0. You may also see it listed as Closantel sodium, Closantel (sodium), Closantel Sodium Salt. Our catalogue number for this item is ZX-003964.
What are the formula and molar mass of Closantel?
For Closantel, its formula is C22H13Cl2I2N2NaO2 and its molar mass is 685.1 g/mol. The systematic (IUPAC) name is sodium 2-[[5-chloro-4-[(4-chlorophenyl)-cyanomethyl]-2-methylphenyl]carbamoyl]-4,6-diiodophenolate. InChIKey LREGMDNUOGTSIK-UHFFFAOYSA-M lets you match it in any structure database.
How is Closantel used in pharmaceutical QC?
Closantel is a characterised reference material linked to Closantel. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Closantel?
This listing is IP/BP/USP grade with 98.5% purity. Standard packs are 1 kg, 5 kg, 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Closantel?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Closantel to my country?
Yes. Because Closantel is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Closantel standards

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