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Benzothiazole-5-carboxylic acid

Also known as: 1,3-Benzothiazole-5-carboxylic acid, 5-Benzothiazolecarboxylic acid, 5-Carboxy-1,3-benzothiazole, benzo[d]thiazole-5-carboxylic acid

Benzothiazole-5-carboxylic acid (CAS 68867-17-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H5NO2S and a molecular weight of 179.196 g/mol. Key properties include a boiling point of 387.7±15.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 188.3±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
68867-17-4
Jingsj CID
J-1392113-6
Molecular Formula
C8H5NO2S
Molecular Weight
179.196 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point387.7±15.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point188.3±20.4 °C
Exact Mass179.004105
PSA78.43000
LogP1.69
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.732

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 Benzothiazole-5-carboxylic acid?

The CAS number of Benzothiazole-5-carboxylic acid is 68867-17-4.

What are the molecular formula and molecular weight of Benzothiazole-5-carboxylic acid?

Benzothiazole-5-carboxylic acid has molecular formula C8H5NO2S and molecular weight 179.196 g/mol.

What are the upstream and downstream products of Benzothiazole-5-carboxylic acid?

For Benzothiazole-5-carboxylic acid, Upstream Products: Ethyl benzo[d]thiazole-5-carboxylate, Methyl benzo[d]thiazole-5-carboxylate, Formic Acid; Downstream Products: 2-Amino-1,3-benzothiazole-5-carboxylic acid.

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

Last updated:

How to cite: Jingsj. "Benzothiazole-5-carboxylic acid (CAS 68867-17-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1392113-6 (accessed 2026-11-09).

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