3-Phenylphthalide

Name: 3-Phenylphthalide
Brand: Zemixal
SKU: ZX-033905

Reference StandardAvailable on request

Buy 3-Phenylphthalide (CAS 5398-11-8) from Zemixal: C14H10O2, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes

CAS number5398-11-8

FormulaC₁₄H₁₀O₂

Molar mass210.23 g/mol

Physical formSolid

HS code38229090

InChIKeySQFMIHCARVMICF-UHFFFAOYSA-N

IUPAC name3-phenyl-3H-2-benzofuran-1-one

About 3-Phenylphthalide

Zemixal lists 3-Phenylphthalide for laboratories that identify, quantify or control Nefopam and its related substances. Key data (Reference Standard): CAS 5398-11-8, formula C14H10O2 and molar mass 210.23 g/mol. It is handled as a solid.

Where it is used

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

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H335. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Nefopam

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

Nefopam 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 3-Phenylphthalide
Product name	3-Phenylphthalide
Catalogue number	ZX-033905
CAS number	5398-11-8
IUPAC name	3-phenyl-3H-2-benzofuran-1-one
Molecular formula	C₁₄H₁₀O₂
Molar mass	210.23 g/mol
Exact mass	210.0681
Grade	Reference Standard
Physical form	Solid
XLogP3	2.6
H-bond donors / acceptors	0 / 2
Topological polar surface area	26.3 Å²
HS code	38229090
InChIKey	SQFMIHCARVMICF-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)C2C3=CC=CC=C3C(=O)O2
PubChem CID	95365
Synonyms	3-Phenylisobenzofuran-1(3H)-one, 3-phenyl-1,3-dihydro-2-benzofuran-1-one, 3-phenyl-2-benzofuran-1(3H)-one, 1(3H)-Isobenzofuranone, 3-phenyl-, Phthalide, 3-phenyl-, 3-phenyl-3H-isobenzofuran-1-one, 3-phenyl-3-hydroisobenzofuran-1-one, 3-Phenyl-1(3H)-isobenzofuranone, (S)-3-Phenylisobenzofuran-1(3H)-one, 1-phenylisobenzofuran-3-one

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

Safety and GHS hazards

Irritant or harmful

Signal word Warning

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 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 3-Phenylphthalide
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 3-Phenylphthalide

Which CAS number identifies 3-Phenylphthalide?

3-Phenylphthalide is registered under CAS 5398-11-8. You may also see it listed as 3-Phenylisobenzofuran-1(3H)-one, 3-phenyl-1,3-dihydro-2-benzofuran-1-one, 3-phenyl-2-benzofuran-1(3H)-one. Our catalogue number for this item is ZX-033905.

What are the formula and molar mass of 3-Phenylphthalide?

For 3-Phenylphthalide, its formula is C14H10O2 and its molar mass is 210.23 g/mol. The systematic (IUPAC) name is 3-phenyl-3H-2-benzofuran-1-one. InChIKey SQFMIHCARVMICF-UHFFFAOYSA-N lets you match it in any structure database.

How is 3-Phenylphthalide used in pharmaceutical QC?

3-Phenylphthalide is a characterised reference material linked to Nefopam. 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 3-Phenylphthalide?

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 3-Phenylphthalide?

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 3-Phenylphthalide to my country?

Yes. Because 3-Phenylphthalide 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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