Chlorzoxazone WS

Name: Chlorzoxazone WS
Brand: Vaqora Chemicals
SKU: VQ-007388

About Chlorzoxazone WS

Listed under CAS 95-25-0, Chlorzoxazone WS is a high-purity reference standard of Chlorzoxazone available from Vaqora Chemicals. Formula C7H4ClNO2, molecular weight 169.56 g/mol. Systematically, it is named 5-chloro-3H-1,3-benzoxazol-2-one. It is also known as 5-chlorobenzo[d]oxazol-2(3H)-one or Chlorzoxazone.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

As a reference sample of Chlorzoxazone, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Chlorzoxazone WS is dispatched with a Certificate of Analysis (COA) to destinations worldwide. This item is currently in stock for prompt dispatch.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Chlorzoxazone

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

Chlorzoxazone impurities

Specifications & identifiers

Chemical identifiers
Product name	Chlorzoxazone WS
Catalogue No.	VQ-007388
CAS Number	95-25-0
IUPAC name	5-chloro-3H-1,3-benzoxazol-2-one
Molecular formula	C₇H₄ClNO₂
Molecular weight	169.56 g/mol
Exact mass	168.9931
Grade	Reference Standard
HSN code	38229090
InChIKey	TZFWDZFKRBELIQ-UHFFFAOYSA-N
SMILES	C1=CC2=C(C=C1Cl)NC(=O)O2
PubChem CID	2733

Physical properties
Physical form	Solid
LogP (XLogP3)	1.8
H-bond donors / acceptors	1 / 2
TPSA	38.3 Å²
Synonyms	5-chlorobenzo[d]oxazol-2(3H)-one, Chlorzoxazone, 5-Chloro-2(3H)-benzoxazolone, 2-Hydroxy-5-chlorobenzoxazole, 5-Chloro-1,3-benzoxazol-2(3H)-one, 5-Chloro-2-benzoxazolinone, 5-Chloro-2-oxo-3H-benzoxazole, 5-Chloro-3H-benzoxazol-2-one, 5-Chlorobenzoxazolidone, 5-Chlorobenzoxazolone, Biomioran, Cipzox

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, 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

Other grades of CAS 95-25-0

IP/BP/USP

Chlorzoxazone

CAS: 95-25-0
Formula: C₇H₄ClNO₂
MW: 169.56 g/mol

VQ-003996

Frequently asked questions

What is the CAS number of Chlorzoxazone WS?

The CAS Registry Number of Chlorzoxazone WS is 95-25-0. It is also known as 5-chlorobenzo[d]oxazol-2(3H)-one, Chlorzoxazone, 5-Chloro-2(3H)-benzoxazolone.

What is the molecular formula and molecular weight of Chlorzoxazone WS?

Chlorzoxazone WS has the molecular formula C7H4ClNO2 and a molecular weight of 169.56 g/mol. Its IUPAC name is 5-chloro-3H-1,3-benzoxazol-2-one.

What is Chlorzoxazone WS used for?

Chlorzoxazone WS is supplied as a characterised reference material related to Chlorzoxazone. 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 Chlorzoxazone WS can I order?

We supply Chlorzoxazone WS in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Chlorzoxazone WS?

Yes. Every lot of Chlorzoxazone WS 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 Chlorzoxazone WS be shipped internationally?

Yes. Chlorzoxazone WS 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.