3-Chlorophthalide

Name: 3-Chlorophthalide
Brand: Vaqora Chemicals
SKU: VQ-013020

About 3-Chlorophthalide

3-Chlorophthalide (CAS 6295-21-2) is a process intermediate or related compound of Olaparib offered by Vaqora Chemicals with a typical assay of 98.9%. With the molecular formula C8H5ClO2, it has a molar mass of 168.57 g/mol. The IUPAC name is 3-chloro-3H-2-benzofuran-1-one. Common synonyms include 3-Chloro-1(3H)-isobenzofuranone and 3-Chloro-1,3-dihydro-1-isobenzofuranone.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

It is a process intermediate or related compound in the synthesis of Olaparib, useful for route development, impurity fate-and-purge studies and analytical method development. Buyers come mainly from 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. Stock is available for quick dispatch.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Olaparib

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

Olaparib impurities

Specifications & identifiers

Chemical identifiers
Product name	3-Chlorophthalide
Catalogue No.	VQ-013020
CAS Number	6295-21-2
IUPAC name	3-chloro-3H-2-benzofuran-1-one
Molecular formula	C₈H₅ClO₂
Molecular weight	168.57 g/mol
Exact mass	167.9978
Grade	Reference Standard
Purity / assay	98.9%
InChIKey	GHZPDRVHYHFILK-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C(OC2=O)Cl
PubChem CID	95469

Physical properties
Physical form	Solid
LogP (XLogP3)	1.7
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	3-Chloro-1(3H)-isobenzofuranone, 3-Chloro-1,3-dihydro-1-isobenzofuranone, 3-chloroisobenzofuran-1(3H)-one, 3-chloro-2-benzofuran-1(3h)-one, 1(3H)-Isobenzofuranone, 3-chloro-, 3-chloro-1,3-dihydro-2-benzofuran-1-one, chlorophthalide

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 3-Chlorophthalide?

The CAS Registry Number of 3-Chlorophthalide is 6295-21-2. It is also known as 3-Chloro-1(3H)-isobenzofuranone, 3-Chloro-1,3-dihydro-1-isobenzofuranone, 3-chloroisobenzofuran-1(3H)-one.

What is the molecular formula and molecular weight of 3-Chlorophthalide?

3-Chlorophthalide has the molecular formula C8H5ClO2 and a molecular weight of 168.57 g/mol. Its IUPAC name is 3-chloro-3H-2-benzofuran-1-one.

What is 3-Chlorophthalide used for?

3-Chlorophthalide is supplied as a characterised reference material related to Olaparib. 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 3-Chlorophthalide can I order?

We supply 3-Chlorophthalide in Reference Standard (98.9%) 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 3-Chlorophthalide?

Yes. Every lot of 3-Chlorophthalide 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 3-Chlorophthalide be shipped internationally?

Yes. We export 3-Chlorophthalide worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.