5-Methyl-4-isoxazolecarbonyl chloride

Name: 5-Methyl-4-isoxazolecarbonyl chloride
Brand: Zemixal
SKU: ZX-032630

Reference StandardAvailable on request

5-Methyl-4-isoxazolecarbonyl chloride (CAS 67305-24-2) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes

5-Methyl-4-isoxazolecarbonyl chloride chemical structure

CAS number67305-24-2

FormulaC₅H₄ClNO₂

Molar mass145.54 g/mol

Physical formSolid

HS code38229090

InChIKeyZKAQPVQEYCFRTK-UHFFFAOYSA-N

IUPAC name5-methyl-1,2-oxazole-4-carbonyl chloride

About 5-Methyl-4-isoxazolecarbonyl chloride

5-Methyl-4-isoxazolecarbonyl chloride is supplied by Zemixal as a characterised reference material for Teriflunomide analysis. Identity at a glance (Reference Standard): CAS 67305-24-2, formula C5H4ClNO2 and molar mass 145.54 g/mol. It is handled as a solid.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Handling and storage

Classified under GHS with signal word Danger and hazard statements H314. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Teriflunomide

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

Teriflunomide standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 5-Methyl-4-isoxazolecarbonyl chloride
Product name	5-Methyl-4-isoxazolecarbonyl chloride
Catalogue number	ZX-032630
CAS number	67305-24-2
IUPAC name	5-methyl-1,2-oxazole-4-carbonyl chloride
Molecular formula	C₅H₄ClNO₂
Molar mass	145.54 g/mol
Exact mass	144.9931
Grade	Reference Standard
Physical form	Solid
XLogP3	1.3
H-bond donors / acceptors	0 / 3
Topological polar surface area	43.1 Å²
HS code	38229090
InChIKey	ZKAQPVQEYCFRTK-UHFFFAOYSA-N
SMILES	CC1=C(C=NO1)C(=O)Cl
PubChem CID	2759917
Synonyms	5-Methylisoxazole-4-carbonyl chloride, 5-Methyl-isoxazole-4-carbonyl chloride, 4-isoxazolecarbonyl chloride, 5-methyl-, 4-Isoxazolecarbonylchloride, 5-methyl-, Methyl-4-isoxazolecarbonyl chloride, 5-methylisoxazole-4-carbonylchloride, 4-isoxazolecarbonyl chloride, 5-methyl, 5-Methylisoxazol-4-yl carbonyl chloride, 5-methyl-4-isoxazolecarboxylic acid chloride, 5-methylisoxazole-4-carboxylic acid chloride

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

Safety and GHS hazards

Corrosive

Signal word Danger

H314Causes severe skin burns and eye damage

Precautionary statements P260, P264, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P363, 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 5-Methyl-4-isoxazolecarbonyl chloride
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

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

Questions about 5-Methyl-4-isoxazolecarbonyl chloride

Which CAS number identifies 5-Methyl-4-isoxazolecarbonyl chloride?

5-Methyl-4-isoxazolecarbonyl chloride is registered under CAS 67305-24-2. You may also see it listed as 5-Methylisoxazole-4-carbonyl chloride, 5-Methyl-isoxazole-4-carbonyl chloride, 4-isoxazolecarbonyl chloride, 5-methyl-. Our catalogue number for this item is ZX-032630.

What are the formula and molar mass of 5-Methyl-4-isoxazolecarbonyl chloride?

For 5-Methyl-4-isoxazolecarbonyl chloride, its formula is C5H4ClNO2 and its molar mass is 145.54 g/mol. The systematic (IUPAC) name is 5-methyl-1,2-oxazole-4-carbonyl chloride. InChIKey ZKAQPVQEYCFRTK-UHFFFAOYSA-N lets you match it in any structure database.

How is 5-Methyl-4-isoxazolecarbonyl chloride used in pharmaceutical QC?

5-Methyl-4-isoxazolecarbonyl chloride is a characterised reference material linked to Teriflunomide. 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 5-Methyl-4-isoxazolecarbonyl chloride?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with 5-Methyl-4-isoxazolecarbonyl chloride?

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 5-Methyl-4-isoxazolecarbonyl chloride to my country?

Yes. Because 5-Methyl-4-isoxazolecarbonyl chloride 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.

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