4-Methylthiazole

Modify Date: 2026-06-30 10:54:20

4-Methylthiazole Structure
4-Methylthiazole structure
 Common Name 4-Methylthiazole
CAS Number 693-95-8 Molecular Weight 99.154
Density 1.1±0.1 g/cm3 Boiling Point 134.3±9.0 °C at 760 mmHg
Molecular Formula C4H5NS Melting Point N/A
MSDS Chinese USA Flash Point 37.3±6.8 °C
Symbol GHS02 GHS05 GHS07
GHS02, GHS05, GHS07		 Signal Word Danger

 Names

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

Name 4-methylthiazole
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 1.1±0.1 g/cm3
Boiling Point 134.3±9.0 °C at 760 mmHg
Molecular Formula C4H5NS
Molecular Weight 99.154
Flash Point 37.3±6.8 °C
Exact Mass 99.014267
PSA 41.13000
LogP 0.90
Vapour Pressure 10.0±0.2 mmHg at 25°C
Index of Refraction 1.536
InChIKey QMHIMXFNBOYPND-UHFFFAOYSA-N
SMILES Cc1cscn1
Storage condition Flammables area

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XJ5096000
CHEMICAL NAME :
Thiazole, 4-methyl-
CAS REGISTRY NUMBER :
693-95-8
BEILSTEIN REFERENCE NO. :
0105228
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C4-H5-N-S

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
360 uL/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - ptosis Behavioral - altered sleep time (including change in righting reflex) Behavioral - ataxia
REFERENCE :
ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,182,1992

 Safety Information

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

Symbol GHS02 GHS05 GHS07
GHS02, GHS05, GHS07
Signal Word Danger
Hazard Statements H226-H302-H315-H318-H335
Precautionary Statements P261-P280-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn:Harmful
Risk Phrases R10;R22
Safety Phrases S16-S26-S39
RIDADR UN 1993 3/PG 3
WGK Germany 3
RTECS XJ5096000
Packaging Group III
Hazard Class 3
HS Code 2934100090

 Customs

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

HS Code 2934100090
Summary 2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

 Articles6

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Enzymatic assembly of epothilones: the EpoC subunit and reconstitution of the EpoA-ACP/B/C polyketide and nonribosomal peptide interfaces.

Biochemistry 41(17) , 5685-94, (2002)

The biosynthesis of epothilones, a family of hybrid polyketide (PK)/nonribosomal peptide (NRP) antitumor agents, provides an ideal system to study a hybrid PK/NRP natural product with significant biom...

Enhanced expression of rat hepatic microsomal epoxide hydrolase by methylthiazole in conjunction with liver injury.

Toxicology 146(2-3) , 111-22, (2000)

Microsomal epoxide hydrolase (mEH) is inducible by a number of xenobiotics. Induction of mEH by certain chemopreventive agents may implicate the protective effect. In contrast, many of carcinogenic ag...

Synthesis and pharmacological evaluation of a novel series of 3-aryl-2-(2-substituted-4-methylthiazole-5-yl)thiazolidin-4-one as possible anti-inflammatory and antimicrobial agents.

Bioorg. Med. Chem. Lett. 22(20) , 6373-6, (2012)

A new series of 3-aryl-2-(2-aryl/benzyl-4-methylthiazole-5-yl)thiazolidin-4-one was synthesized by condensation of 2-aryl/benzyl-4-methylthiazole-5-carbaldehyde, aromatic amines and thioglycolic acid ...

 4-MethylthiazoleBioassay

View more

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

Name: Competitive inhibition of electric eel AChE using acetylthiocholine chloride as subst...
Source: ChEMBL
Target: Acetylcholinesterase
External Id: CHEMBL3282825
Name: Noncompetitive inhibition of electric eel AChE using acetylthiocholine chloride as su...
Source: ChEMBL
Target: Acetylcholinesterase
External Id: CHEMBL3282824
Name: Luminescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: mu-type opioid receptor isoform MOR-1 [Homo sapiens]
External Id: OPRM1-OPRD1_AG_LUMI_1536_1X%ACT PRUN
Name: Noncompetitive inhibition of electric eel AChE using acetylthiocholine chloride as su...
Source: ChEMBL
Target: Acetylcholinesterase
External Id: CHEMBL3282826
Name: Fluorescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_AG_FLUO8_1536_1X%ACT PRUN
Name: Cytochrome P450 Family 1 Subfamily A Member 2 (CYP1A2) small molecule antagonists: lu...
Source: 824
External Id: CYP273
Name: Fluorescence-based cell-based primary high throughput screening assay to identify pos...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_PAM_FLUO8_1536_1X%ACT PRUN
Name: Fluorescence polarization-based biochemical high throughput primary assay to identify...
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=Sialate O-acetylesterase; AltName: Full=H-Lse; AltName: Full=Sialic acid-specific 9-O-acetylesterase; Flags: Precursor [Homo sapiens]
External Id: SIAE_INH_FP_1536_1X%INH PRUN
Name: Competitive inhibition of electric eel AChE using acetylthiocholine chloride as subst...
Source: ChEMBL
Target: Acetylcholinesterase
External Id: CHEMBL3282823
Name: p53 small molecule agonists, cell-based qHTS assay: qHTS cell viability counter scree...
Source: 824
Target: N/A
External Id: P53600
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 Synonyms

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

EINECS 211-764-1
MFCD00005340
4-Methyl-1,3-thiazole
4-Methylthiazole
T5N CSJ E1
4-Methyl thiazole
4 METHYL THIAZOLE

 4-Methylthiazole | FAQ

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

Q: What is the CAS number of 4-methylthiazole?
A: CAS number of 4-methylthiazole is 693-95-8.
Q: What is the SMILES notation of 4-methylthiazole?
A: SMILES notation of 4-methylthiazole is Cc1cscn1.
Q: What is the safety information for 4-methylthiazole?
A: Safety information for 4-methylthiazole: S16-S26-S39.
Q: What is the boiling point of 4-methylthiazole?
A: Boiling point of 4-methylthiazole is 134.3±9.0 °C at 760 mmHg.
Q: What are the storage conditions for 4-methylthiazole?
A: Storage conditions for 4-methylthiazole: Flammables area.
Q: What is the polar surface area (PSA) of 4-methylthiazole?
A: Polar surface area (PSA) of 4-methylthiazole is 41.13000.
Q: What is the English name of 4-methylthiazole?
A: The English name of 4-methylthiazole is 4-methylthiazole.
Q: What is the LogP of 4-methylthiazole?
A: LogP of 4-methylthiazole is 0.90.
Q: What are the upstream materials of 4-methylthiazole?
A: Related upstream materials(CAS) of 4-methylthiazole: 6407-34-7;20485-41-0;693-90-3;77287-34-4;598-31-2;115-08-2;78-95-5;5685-06-3;14397-08-1;52558-99-3.
Q: What English synonyms does 4-methylthiazole have?
A: English synonyms of 4-methylthiazole: EINECS 211-764-1, MFCD00005340, 4-Methyl-1,3-thiazole, 4-Methylthiazole, T5N CSJ E1, 4-Methyl thiazole, 4 METHYL THIAZOLE.

 4-Methylthiazolefactory

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.
Zhongshan Xingrui Chemical Co. , Ltd.
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