4-Bromobenzothiophene

Name: 4-Bromobenzothiophene
Brand: Vaqora Chemicals
SKU: VQ-013087

About 4-Bromobenzothiophene

4-Bromobenzothiophene is a process intermediate or related compound of Brexpiprazole carrying the CAS registry number 5118-13-8. With the molecular formula C8H5BrS, it has a molar mass of 213.1 g/mol. Its systematic (IUPAC) name is 4-bromo-1-benzothiophene. Common synonyms include 4-Bromobenzo[b]thiophene and 4-Bromobenzo(b)thiophene.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Process chemists and analysts use it when developing synthetic routes to Brexpiprazole, tracking process-related impurities and validating analytical methods. 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.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Brexpiprazole

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

Brexpiprazole impurities

Specifications & identifiers

Chemical identifiers
Product name	4-Bromobenzothiophene
Catalogue No.	VQ-013087
CAS Number	5118-13-8
IUPAC name	4-bromo-1-benzothiophene
Molecular formula	C₈H₅BrS
Molecular weight	213.1 g/mol
Exact mass	211.9295
Grade	Reference Standard
InChIKey	QPBSEYFVZDMBFW-UHFFFAOYSA-N
SMILES	C1=CC2=C(C=CS2)C(=C1)Br
PubChem CID	12094208

Physical properties
Physical form	Solid
LogP (XLogP3)	3.6
H-bond donors / acceptors	0 / 1
TPSA	28.2 Å²
Synonyms	4-Bromobenzo[b]thiophene, 4-Bromobenzo(b)thiophene, 4-Bromo-benzo[b]thiophene, Benzo[b]thiophene, 4-bromo-, 4-bromo-benzo(b)thiophene, 4-bromobenzo[b]-thiophene, C1=CC2=C(C=CS2)C(=C1)Br

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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 5118-13-8

4-Bromobenzothiophene, 98%

CAS: 5118-13-8
Formula: C₈H₅BrS
MW: 213.1 g/mol

VQ-012326

Frequently asked questions

What is the CAS number of 4-Bromobenzothiophene?

The CAS Registry Number of 4-Bromobenzothiophene is 5118-13-8. It is also known as 4-Bromobenzo[b]thiophene, 4-Bromobenzo(b)thiophene, 4-Bromo-benzo[b]thiophene.

What is the molecular formula and molecular weight of 4-Bromobenzothiophene?

4-Bromobenzothiophene has the molecular formula C8H5BrS and a molecular weight of 213.1 g/mol. Its IUPAC name is 4-bromo-1-benzothiophene.

What is 4-Bromobenzothiophene used for?

4-Bromobenzothiophene is supplied as a characterised reference material related to Brexpiprazole. 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 4-Bromobenzothiophene can I order?

We supply 4-Bromobenzothiophene in Reference Standard 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 4-Bromobenzothiophene?

Yes. Every lot of 4-Bromobenzothiophene 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 4-Bromobenzothiophene be shipped internationally?

Yes. 4-Bromobenzothiophene 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.