1,2-Thiazole-4-carboxylic acid

Modify Date: 2026-08-22 10:51:57

1,2-Thiazole-4-carboxylic acid Structure
1,2-Thiazole-4-carboxylic acid structure
Common Name 1,2-Thiazole-4-carboxylic acid
CAS Number 822-82-2 Molecular Weight 129.137
Density 1.5±0.1 g/cm3 Boiling Point 175.8±23.0 °C at 760 mmHg
Molecular Formula C4H3NO2S Melting Point N/A
MSDS N/A Flash Point 60.1±22.6 °C

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Isothiazole-4-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.5±0.1 g/cm3
Boiling Point 175.8±23.0 °C at 760 mmHg
Molecular Formula C4H3NO2S
Molecular Weight 129.137
Flash Point 60.1±22.6 °C
Exact Mass 128.988449
PSA 78.43000
LogP 0.49
Vapour Pressure 0.7±0.4 mmHg at 25°C
Index of Refraction 1.618
InChIKey PCXTYKGTWQCNJI-UHFFFAOYSA-N
SMILES O=C(O)c1cnsc1

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2934999090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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1,2-Thiazole-4-carboxylic acid Structure

1,2-Thiazole-4-...

CAS#:822-82-2

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Literature: Journal of medicinal chemistry, , vol. 13, # 6 p. 1208 - 1212

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1,2-Thiazole-4-carboxylic acid Structure

1,2-Thiazole-4-...

CAS#:822-82-2

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Literature: Journal of the Chemical Society, , p. 3061,3065

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1,2-Thiazole-4-carboxylic acid Structure

1,2-Thiazole-4-...

CAS#:822-82-2

Learn More
Literature: Journal of Medicinal Chemistry, , vol. 11, # 1 p. 70 - 73

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1,2-Thiazole-4-carboxylic acid Structure

1,2-Thiazole-4-...

CAS#:822-82-2

Learn More
Literature: Journal of the Chemical Society, , p. 3061,3065

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  4

DownStream  2

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 1,2-Thiazole-4-carboxylic acidBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Agonist activity at human cloned GPR109a receptor by forskolin-stimulated cAMP produc...
Source: ChEMBL
Target: Hydroxycarboxylic acid receptor 2
External Id: CHEMBL924060
Total 1, Current Page 1 of 1
1

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

1,2-Thiazole-4-carboxylic acid
4-Isothiazolecarboxylic acid

 1,2-Thiazole-4-carboxylic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the boiling point of Isothiazole-4-carboxylic acid?
A: Boiling point of Isothiazole-4-carboxylic acid is 175.8±23.0 °C at 760 mmHg.
Q: What is the polar surface area (PSA) of Isothiazole-4-carboxylic acid?
A: Polar surface area (PSA) of Isothiazole-4-carboxylic acid is 78.43000.
Q: What is the molecular weight of Isothiazole-4-carboxylic acid?
A: Molecular weight of Isothiazole-4-carboxylic acid is 129.137.
Q: What is the CAS number of Isothiazole-4-carboxylic acid?
A: CAS number of Isothiazole-4-carboxylic acid is 822-82-2.
Q: What are the downstream products of Isothiazole-4-carboxylic acid?
A: Related downstream products(CAS) of Isothiazole-4-carboxylic acid: 10271-90-6;170283-02-0.
Q: What is the English name of Isothiazole-4-carboxylic acid?
A: The English name of Isothiazole-4-carboxylic acid is Isothiazole-4-carboxylic acid.
Q: What is the InChIKey of Isothiazole-4-carboxylic acid?
A: InChIKey of Isothiazole-4-carboxylic acid is PCXTYKGTWQCNJI-UHFFFAOYSA-N.
Q: What English synonyms does Isothiazole-4-carboxylic acid have?
A: English synonyms of Isothiazole-4-carboxylic acid: 1,2-Thiazole-4-carboxylic acid, 4-Isothiazolecarboxylic acid.
Q: What is the SMILES notation of Isothiazole-4-carboxylic acid?
A: SMILES notation of Isothiazole-4-carboxylic acid is O=C(O)c1cnsc1.
Q: What is the molecular formula of Isothiazole-4-carboxylic acid?
A: Molecular formula of Isothiazole-4-carboxylic acid is C4H3NO2S.

 1,2-Thiazole-4-carboxylic acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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