4-Methyl-5-pyridin-4-yl-4H-[1,2,4]triazole-3-thiol

Modify Date: 2025-09-04 17:34:56

4-Methyl-5-pyridin-4-yl-4H-[1,2,4]triazole-3-thiol Structure
4-Methyl-5-pyridin-4-yl-4H-[1,2,4]triazole-3-thiol structure
 Common Name 4-Methyl-5-pyridin-4-yl-4H-[1,2,4]triazole-3-thiol
CAS Number 3652-32-2 Molecular Weight 192.24100
Density 1.4g/cm3 Boiling Point 294.6ºC at 760mmHg
Molecular Formula C8H8N4S Melting Point N/A
MSDS N/A Flash Point 132ºC

 Names

Name 4-methyl-3-pyridin-4-yl-1H-1,2,4-triazole-5-thione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4g/cm3
Boiling Point 294.6ºC at 760mmHg
Molecular Formula C8H8N4S
Molecular Weight 192.24100
Flash Point 132ºC
Exact Mass 192.04700
PSA 82.40000
LogP 1.16580
Index of Refraction 1.727

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UT4565000
CHEMICAL NAME :
Pyridine, 4-(3-mercapto-4-methyl-5-(4H-1,2,4-triazolyl))-
CAS REGISTRY NUMBER :
3652-32-2
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C8-H8-N4-S
MOLECULAR WEIGHT :
192.26
WISWESSER LINE NOTATION :
T6NJ D- CT5NN DNJ D1 ESH

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 :
1100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 8,676,1965

 Safety Information

Hazard Codes Xi: Irritant;
HS Code 2933990090

 Synthetic Route

4-Pyridinecarboxylicacid, 2-[(methylamino)thioxomethyl]hydrazide structure

4-Pyridinecarbo...

CAS#:4406-96-6

~79%

4-Methyl-5-pyridin-4-yl-4H-[1,2,4]triazole-3-thiol Structure

4-Methyl-5-pyri...

CAS#:3652-32-2

Literature: Brown; Cowden Australian Journal of Chemistry, 1983 , vol. 36, # 7 p. 1469 - 1475
ISONICOTINOYL CHLORIDE HYDROCHLORIDE structure

ISONICOTINOYL C...

CAS#:39178-35-3

4-Methylthiosemicarbazide structure

4-Methylthiosem...

CAS#:6610-29-3

~56%

4-Methyl-5-pyridin-4-yl-4H-[1,2,4]triazole-3-thiol Structure

4-Methyl-5-pyri...

CAS#:3652-32-2

Literature: ASTRAZENECA AB; NPS PHARMACEUTICALS, INC. Patent: WO2005/80356 A1, 2005 ; Location in patent: Page/Page column 57 ; WO 2005/080356 A1
SodiuM bicarbonate structure

SodiuM bicarbonate

CAS#:144-55-8

4-Pyridinecarboxylicacid, 2-[(methylamino)thioxomethyl]hydrazide structure

4-Pyridinecarbo...

CAS#:4406-96-6

~%

4-Methyl-5-pyridin-4-yl-4H-[1,2,4]triazole-3-thiol Structure

4-Methyl-5-pyri...

CAS#:3652-32-2

Literature: US4900743 A1, ;
Isoniazid structure

Isoniazid

CAS#:54-85-3

~%

4-Methyl-5-pyridin-4-yl-4H-[1,2,4]triazole-3-thiol Structure

4-Methyl-5-pyri...

CAS#:3652-32-2

Literature: Australian Journal of Chemistry, , vol. 36, # 7 p. 1469 - 1475

 Customs

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%

 Synonyms

4-methyl-3-(pyridin-4-yl)-1H-1,2,4-triazol-5(4H)-thione
4-Methyl-5-pyridin-4-yl-4H-[1,2,4]triazole-3-thiol
3-Mercapto-4-methyl-5-(4-pyridyl)-1,2,4-triazole
4-methyl-5-(4-pyridyl)-1,2,4-triazole-3-thiol
4H-1,2,4-Triazole-3-thiol,4-methyl-5-(4-pyridyl)
MFCD00112607
Pyridine,4-(3-mercapto-4-methyl-5-(4H-1,2,4-triazolyl))
4-methyl-5-pyridin-4-yl-2,4-dihydro-3H-1,2,4-triazole-3-thione
4-methyl-5-pyridin-4-yl-2,4-dihydro-[1,2,4]triazole-3-thione
4-Methyl-5-(4-pyridyl)-4H-1,2,4-triazole-3-thiol
4-methyl-5-(pyridin-4'-yl)-1,2,4-triazole-3(2H)-thione
2,4-Dihydro-4-methyl-5-(4-pyridyl)-3H-1,2,4-triazole-3-thione
2,4-Dihydro-4-methyl-5-(pyridin-4-yl)-3H-1,2,4-triazole-3-thione
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Chemsrc provides CAS#:3652-32-2 MSDS, density, melting point, boiling point, structure, etc. Its name is 4-Methyl-5-pyridin-4-yl-4H-[1,2,4]triazole-3-thiol>> amp version: 4-Methyl-5-pyridin-4-yl-4H-[1,2,4]triazole-3-thiol

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