(6-Methoxybenzo[b]thiophen-2-yl)boronic acid

Also known as: 6-Methoxybenzo[b]thiophene-2-boronic acid, 6-methoxybenzo[b]thiophen-2-ylboronic acid, 6-methoxy-1-benzothiophen-2-ylboronic acid, Boronic acid, B-(6-methoxybenzo[b]thien-2-yl)-, 6-methoxybenzothiophene-2-boronic acid, 6-methyloxybenzothiophene-2-boronic acid, (6-methoxy-1-benzothiophen-2-yl)boronic acid

(6-Methoxybenzo[b]thiophen-2-yl)boronic acid (CAS 182133-35-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9BO3S and a molecular weight of 208.04200 g/mol. Key properties include a boiling point of 423.068ºC at 760 mmHg, a density of 1.354 g/cm3 and a flash point of 209.664ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 182133-35-3
Jingsj CID: J-1335053-3
Molecular Formula: C₉H₉BO₃S
Molecular Weight: 208.04200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	423.068ºC at 760 mmHg
Density	1.354 g/cm3
Flash Point	209.664ºC
Exact Mass	208.03700
PSA	77.93000
LogP	0.58970

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. 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 (6-Methoxybenzo[b]thiophen-2-yl)boronic acid?

The CAS number of (6-Methoxybenzo[b]thiophen-2-yl)boronic acid is 182133-35-3.

What are the molecular formula and molecular weight of (6-Methoxybenzo[b]thiophen-2-yl)boronic acid?

(6-Methoxybenzo[b]thiophen-2-yl)boronic acid has molecular formula C9H9BO3S and molecular weight 208.04200 g/mol.

What are the upstream and downstream products of (6-Methoxybenzo[b]thiophen-2-yl)boronic acid?

For (6-Methoxybenzo[b]thiophen-2-yl)boronic acid, Upstream Products: 6-Methoxy-1-benzothiophene, Triisopropyl borate, 3-Methoxybenzenethiol; Downstream Products: 2-(4-Hydroxyphenyl)benzo[b]thiophene-6-ol, 6-Methoxy-2-(4-methoxyphenyl)benzo[b]thiophene.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(6-Methoxybenzo[b]thiophen-2-yl)boronic acid (CAS 182133-35-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1335053-3 (accessed 2026-11-09).

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