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Benzo[b]thiophene-2-boronic acid

Also known as: 1-Benzothiophen-2-ylboronic acid, 2-Benzothienylboronic acid, Benzothiophene-2-boronic acid, Benzothiophen-2-ylboronic acid, Benzo[b]thien-2-ylboronic acid, Benzo(b)thiophene-2-boronic acid, Benzo(b)thiophene-2-ylboronic acid, Boronic acid, B-benzo[b]thien-2-yl-, Thianaphthene-2-boronic acid, MFCD01075674, RARECHEM AH PB 0124, TIMTEC-BB SBB003765

Benzo[b]thiophene-2-boronic acid (CAS 98437-23-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7BO2S and a molecular weight of 178.016 g/mol. Key properties include a melting point of 254-256 °C, a boiling point of 390.2±34.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 189.8±25.7 °C. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
98437-23-1
Jingsj CID
J-23368-1
Molecular Formula
C8H7BO2S
Molecular Weight
178.016 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
Made to Order

Supplier Offers

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--CN China

Physicochemical Properties

Melting Point254-256 °C
Boiling Point390.2±34.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point189.8±25.7 °C
Exact Mass178.025986
PSA68.70000
LogP3.75
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.669

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Benzo[b]thiophene-2-boronic acid?

The CAS number of Benzo[b]thiophene-2-boronic acid is 98437-23-1.

What are the molecular formula and molecular weight of Benzo[b]thiophene-2-boronic acid?

Benzo[b]thiophene-2-boronic acid has molecular formula C8H7BO2S and molecular weight 178.016 g/mol.

Which suppliers offer Benzo[b]thiophene-2-boronic acid?

1 supplier(s) listed; request a quote for pricing.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Benzo[b]thiophene-2-boronic acid (CAS 98437-23-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23368-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.