Molekula
Benzo(b)thiophene-2-boronic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Benzo(b)thiophene-2-boronic acid is a boronic acid compound used in Suzuki-Miyaura cross-coupling reactions for synthesizing biaryl and heteroaryl compounds in pharmaceutical and materials research. It has a CAS number of 98437-23-1, molecular formula C8H7BO2S, and a molecular weight of 178.02 g/mol. It is stable at ambient temperature and should be handled with caution due to its warning signal word. Molekula supplies Benzo(b)thiophene-2-boronic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
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Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
| Melting Point | 256-260°C |
| Purity | ≥ 95.0% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 19748684 |
| CAS Number | 98437-23-1 |
| IUPAC Name | 1-benzothiophen-2-ylboronic acid |
| Molecular Formula | C8H7BO2S |
| Molecular Weight | 178.02 |
| Exact Mass | 178.026 |
| SMILES | B(C1=CC2=CC=CC=C2S1)(O)O |
| InChIKey | YNCYPMUJDDXIRH-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H7BO2S/c10-9(11)8-5-6-3-1-2-4-7(6)12-8/h1-5,10-11H |
| PubChem CID | 2359 |
| REACH Code | Y110 |
| HTS Code | 29349990 |
| Tariff Code | 2934999090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Russian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- (1-benzothiophen-2-yl)boronic acid
- 1-benzothien-2-ylboronic acid
- 2-benzothienylboronic acid
- BENZO[B]THIEN-2-YLBORONIC ACID
- benzo[b]thiophen-2-ylboronic acid
- Benzo[b]thiophene-2-ylboronic Acid
- Benzothiophen-2-ylboronic acid
- Benzothiophene-2-boronic acid
- bezothiophene-2-boronic acid
- Thianaphthene-2-boronic acid
Frequently asked questions
What is Benzo(b)thiophene-2-boronic acid used for?
It is primarily used as a building block in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions to form carbon-carbon bonds.
What is the chemical formula and molecular weight?
The formula is C8H7BO2S with a molecular weight of 178.02 g/mol.
How should Benzo(b)thiophene-2-boronic acid be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available?
Available in high purity grade suitable for synthetic applications.
Can Molekula supply it in bulk?
Yes, Molekula can supply Benzo(b)thiophene-2-boronic acid in bulk quantities—please contact us for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.