3H-1,2,4-Triazole-3-thione,5-ethyl-1,2-dihydro-(9CI)

Modify Date: 2025-09-17 23:59:42

3H-1,2,4-Triazole-3-thione,5-ethyl-1,2-dihydro-(9CI) Structure
3H-1,2,4-Triazole-3-thione,5-ethyl-1,2-dihydro-(9CI) structure
Common Name 3H-1,2,4-Triazole-3-thione,5-ethyl-1,2-dihydro-(9CI)
CAS Number 7271-45-6 Molecular Weight 129.18300
Density 1.297g/cm3 Boiling Point 293.287ºC at 760 mmHg
Molecular Formula C4H7N3S Melting Point N/A
MSDS USA Flash Point 131.175ºC

Summary: Chinese name: 5-乙基-1,2-二氢-(9ci)-3H-1,2,4-三唑-3-硫酮, English name: 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione, CAS number: 7271-45-6, molecular formula: C4H7N3S, molecular weight: 129.18300. 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-ethyl-1,2-dihydro-1,2,4-triazole-3-thione
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 1.297g/cm3
Boiling Point 293.287ºC at 760 mmHg
Molecular Formula C4H7N3S
Molecular Weight 129.18300
Flash Point 131.175ºC
Exact Mass 129.03600
PSA 80.37000
LogP 0.65580
Index of Refraction 1.611
InChIKey QKCNMYZGZIKYHA-UHFFFAOYSA-N
SMILES CCc1nc(=S)[nH][nH]1

 Safety Information

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

HS Code 2933990090

 Synthetic Route

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

~96%

3H-1,2,4-Triazole-3-thione,5-ethyl-1,2-dihydro-(9CI) Structure

3H-1,2,4-Triazo...

CAS#:7271-45-6

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Literature: Vardhan, V. Aditya; Kumar, V. Ravi; Rao, V. Rajeswar Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1999 , vol. 38, # 1 p. 18 - 23

~48%

3H-1,2,4-Triazole-3-thione,5-ethyl-1,2-dihydro-(9CI) Structure

3H-1,2,4-Triazo...

CAS#:7271-45-6

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Literature: Heravi, Majid M.; Sadjadi, Sodeh; Hekmatshoar, Rahim; Oskooie, Hossein A.; Bamoharram, Fatemeh F. Monatshefte fur Chemie, 2008 , vol. 139, # 2 p. 107 - 110

~%

3H-1,2,4-Triazole-3-thione,5-ethyl-1,2-dihydro-(9CI) Structure

3H-1,2,4-Triazo...

CAS#:7271-45-6

Learn More
Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 7, # 1 p. 57 - 62

 Precursor & DownStream

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

Precursor  3

DownStream  0

 Customs

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

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Bioassay

View more

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

Name: Inhibition of Pseudomonas aeruginosa beta-lactamase IMP-1 expressed in Escherichia co...
Source: ChEMBL
Target: Beta-lactamase
External Id: CHEMBL1936967
Name: Inhibition of Pseudomonas aeruginosa beta-lactamase IMP-1 expressed in Escherichia co...
Source: ChEMBL
Target: Beta-lactamase
External Id: CHEMBL1936966
Name: Inhibition of Pseudomonas aeruginosa beta-lactamase IMP-1 expressed in Escherichia co...
Source: ChEMBL
Target: Beta-lactamase
External Id: CHEMBL1936965
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1

 Synonyms

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

3-Ethyl-5-mercapto-1,2,4-triazol
3-Ethyl-5-mercapto-4H-triazol
5-ethyl-4H-1,2,4-triazole-3-thiol
5-ethyl-2,4-dihydro-[1,2,4]triazole-3-thione
2-mercapto-5-ethyl-1,3,4-triazole

  | FAQ

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

Q: What is the English name of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione?
A: The English name of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione is 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione.
Q: What is the molecular formula of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione?
A: Molecular formula of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione is C4H7N3S.
Q: What is the SMILES notation of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione?
A: SMILES notation of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione is CCc1nc(=S)[nH][nH]1.
Q: What is the CAS number of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione?
A: CAS number of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione is 7271-45-6.
Q: What is the InChIKey of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione?
A: InChIKey of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione is QKCNMYZGZIKYHA-UHFFFAOYSA-N.
Q: What is the molecular weight of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione?
A: Molecular weight of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione is 129.18300.
Q: What is the boiling point of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione?
A: Boiling point of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione is 293.287ºC at 760 mmHg.
Q: What is the LogP of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione?
A: LogP of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione is 0.65580.
Q: What English synonyms does 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione have?
A: English synonyms of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione: 3-Ethyl-5-mercapto-1,2,4-triazol, 3-Ethyl-5-mercapto-4H-triazol, 5-ethyl-4H-1,2,4-triazole-3-thiol, 5-ethyl-2,4-dihydro-[1,2,4]triazole-3-thione, 2-mercapto-5-ethyl-1,3,4-triazole.
Q: What are the upstream materials of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione?
A: Related upstream materials(CAS) of 5-ethyl-1,2-dihydro-1,2,4-triazole-3-thione: 20939-16-6;79-03-8;79-19-6.

 factory

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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