5-Methyl-isothiazole

Modify Date: 2026-08-05 13:11:48

5-Methyl-isothiazole Structure
5-Methyl-isothiazole structure
Common Name 5-Methyl-isothiazole
CAS Number 693-97-0 Molecular Weight 99.15420
Density 1.121g/cm3 Boiling Point 145ºC at 760 mmHg
Molecular Formula C4H5NS Melting Point N/A
MSDS N/A Flash Point 39.4ºC

Summary: 5-Methyl-isothiazole, a compound with CAS number 693-97-0, has a molecular formula of C4H5NS and a molecular weight of 99.15420. For research-use only, not for medical or clinical usage.


 Names

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

Name 5-methyl-1,2-thiazole
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 1.121g/cm3
Boiling Point 145ºC at 760 mmHg
Molecular Formula C4H5NS
Molecular Weight 99.15420
Flash Point 39.4ºC
Exact Mass 99.01430
PSA 41.13000
LogP 1.45150
Index of Refraction 1.535
InChIKey LBBKWEDRPDGXPM-UHFFFAOYSA-N
SMILES Cc1ccns1

 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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5-Methyl-isothiazole Structure

5-Methyl-isothiazole

CAS#:693-97-0

Learn More
Literature: Muehlstaedt,M. et al. Journal fuer Praktische Chemie (Leipzig), 1976 , vol. 318, p. 507 - 514

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5-Methyl-isothiazole Structure

5-Methyl-isothiazole

CAS#:693-97-0

Learn More
Literature: Pavlik, James W.; Pandit, Chennagiri R.; Samuel, Christopher J.; Day, A. Colin Journal of Organic Chemistry, 1993 , vol. 58, # 12 p. 3407 - 3410

 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%

 Synonyms

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

5-Methylisothiazole
5-Methyl-isothiazol
2,5-Dimethyl-isothiazolium
Isothiazole,5-methyl
Methyl-5 isothiazol
Methyl-5 isothiazole

 5-Methyl-isothiazole | 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 5-methyl-1,2-thiazole?
A: Boiling point of 5-methyl-1,2-thiazole is 145ºC at 760 mmHg.
Q: What is the Chinese name of 693-97-0?
A: Chinese name of 693-97-0 is 693-97-0.
Q: What is the CAS number of 5-methyl-1,2-thiazole?
A: CAS number of 5-methyl-1,2-thiazole is 693-97-0.
Q: What is the molecular weight of 5-methyl-1,2-thiazole?
A: Molecular weight of 5-methyl-1,2-thiazole is 99.15420.
Q: What is the SMILES notation of 5-methyl-1,2-thiazole?
A: SMILES notation of 5-methyl-1,2-thiazole is Cc1ccns1.
Q: What is the molecular formula of 5-methyl-1,2-thiazole?
A: Molecular formula of 5-methyl-1,2-thiazole is C4H5NS.
Q: What is the InChIKey of 5-methyl-1,2-thiazole?
A: InChIKey of 5-methyl-1,2-thiazole is LBBKWEDRPDGXPM-UHFFFAOYSA-N.
Q: What is the LogP of 5-methyl-1,2-thiazole?
A: LogP of 5-methyl-1,2-thiazole is 1.45150.
Q: What English synonyms does 5-methyl-1,2-thiazole have?
A: English synonyms of 5-methyl-1,2-thiazole: 5-Methylisothiazole, 5-Methyl-isothiazol, 2,5-Dimethyl-isothiazolium, Isothiazole,5-methyl, Methyl-5 isothiazol, Methyl-5 isothiazole.
Q: What is the English name of 5-methyl-1,2-thiazole?
A: The English name of 5-methyl-1,2-thiazole is 5-methyl-1,2-thiazole.

 5-Methyl-isothiazolefactory

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

Dayang Chem (Hangzhou) Co., Ltd.
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