Methyl 5-nitrobenzo[b]thiophene-2-carboxylate

Also known as: Benzo[b]thiophene-2-carboxylic acid, 5-nitro-, methyl ester, Methyl 5-nitro-1-benzothiophene-2-carboxylate, Methyl-5-nitro-1-benzothiophen-2-carboxylat, methyl 5-nitro-1-benzothiophene-2-carboxylate, methyl 5-nitrobenzothiophene-2-carboxylate, 5-nitro-benzo[b]thiophene-2-carboxylic acid methyl ester

Methyl 5-nitrobenzo[b]thiophene-2-carboxylate (CAS 20699-86-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7NO4S and a molecular weight of 237.232 g/mol. Key properties include a boiling point of 393.2±22.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 191.6±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20699-86-9
Jingsj CID: J-1498341-6
Molecular Formula: C₁₀H₇NO₄S
Molecular Weight: 237.232 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	393.2±22.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	191.6±22.3 °C
Exact Mass	237.009583
PSA	100.36000
LogP	2.82
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.670

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 Methyl 5-nitrobenzo[b]thiophene-2-carboxylate?

The CAS number of Methyl 5-nitrobenzo[b]thiophene-2-carboxylate is 20699-86-9.

What are the molecular formula and molecular weight of Methyl 5-nitrobenzo[b]thiophene-2-carboxylate?

Methyl 5-nitrobenzo[b]thiophene-2-carboxylate has molecular formula C10H7NO4S and molecular weight 237.232 g/mol.

What are the upstream and downstream products of Methyl 5-nitrobenzo[b]thiophene-2-carboxylate?

For Methyl 5-nitrobenzo[b]thiophene-2-carboxylate, Upstream Products: Methyl thioglycolate, 2-Chloro-5-nitrobenzaldehyde; Downstream Products: 5-nitro-1-benzothiophene, Benzo[b]thiophen-5-ol, 5-[(tert-butoxycarbonyl)amino]-1-benzothiophene-2-carboxylic acid.

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. "Methyl 5-nitrobenzo[b]thiophene-2-carboxylate (CAS 20699-86-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498341-6 (accessed 2026-11-09).

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