5- Bromobenzo[b]thiophene

Name: 5- Bromobenzo[b]thiophene
Brand: Vaqora Chemicals
SKU: VQ-045087

About 5- Bromobenzo[b]thiophene

Listed under CAS 4923-87-9, 5- Bromobenzo[b]thiophene is an impurity of Brexpiprazole available from Vaqora Chemicals. Formula C8H5BrS, molecular weight 213.1 g/mol. Its systematic (IUPAC) name is 5-bromo-1-benzothiophene. Common synonyms include 5-Bromobenzothiophene and 5-bromo-benzothiophene.

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. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of Brexpiprazole to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 5- Bromobenzo[b]thiophene is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Brexpiprazole

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

Brexpiprazole impurities

Specifications & identifiers

Chemical identifiers
Product name	5- Bromobenzo[b]thiophene
Catalogue No.	VQ-045087
CAS Number	4923-87-9
IUPAC name	5-bromo-1-benzothiophene
Molecular formula	C₈H₅BrS
Molecular weight	213.1 g/mol
Exact mass	211.9295
Grade	Reference Standard
HSN code	38229090
InChIKey	RDSIMGKJEYNNLF-UHFFFAOYSA-N
SMILES	C1=CC2=C(C=CS2)C=C1Br
PubChem CID	2776578

Physical properties
Physical form	Solid
LogP (XLogP3)	3.8
H-bond donors / acceptors	0 / 1
TPSA	28.2 Å²

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

Frequently asked questions

What is the CAS number of 5- Bromobenzo[b]thiophene?

The CAS Registry Number of 5- Bromobenzo[b]thiophene is 4923-87-9. It is also known as 5-Bromobenzothiophene, 5-bromo-benzothiophene, 5-bromo-1-benzothiophene, AldrichCPR.

What is the molecular formula and molecular weight of 5- Bromobenzo[b]thiophene?

5- Bromobenzo[b]thiophene has the molecular formula C8H5BrS and a molecular weight of 213.1 g/mol. Its IUPAC name is 5-bromo-1-benzothiophene.

What is 5- Bromobenzo[b]thiophene used for?

5- Bromobenzo[b]thiophene 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 5- Bromobenzo[b]thiophene can I order?

We supply 5- Bromobenzo[b]thiophene 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 5- Bromobenzo[b]thiophene?

Yes. Every lot of 5- Bromobenzo[b]thiophene 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 5- Bromobenzo[b]thiophene be shipped internationally?

Yes. 5- Bromobenzo[b]thiophene 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.