5-(Pyridin-4-yl)-4H-1,2,4-triazol-3-amine

Modify Date: 2025-08-25 11:48:24

5-(Pyridin-4-yl)-4H-1,2,4-triazol-3-amine Structure
5-(Pyridin-4-yl)-4H-1,2,4-triazol-3-amine structure
 Common Name 5-(Pyridin-4-yl)-4H-1,2,4-triazol-3-amine
CAS Number 3652-17-3 Molecular Weight 161.16400
Density 1.401 Boiling Point 477ºC at 760 mmHg
Molecular Formula C7H7N5 Melting Point 272-274ºC
MSDS N/A Flash Point 273.7ºC

 Names

Name 5-pyridin-4-yl-1H-1,2,4-triazol-3-amine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.401
Boiling Point 477ºC at 760 mmHg
Melting Point 272-274ºC
Molecular Formula C7H7N5
Molecular Weight 161.16400
Flash Point 273.7ºC
Exact Mass 161.07000
PSA 80.48000
LogP 1.03010
Index of Refraction 1.686

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XZ3794000
CHEMICAL NAME :
1H-1,2,4-Triazol-3-amine, 5-(4-pyridinyl)-
CAS REGISTRY NUMBER :
3652-17-3
LAST UPDATED :
198504
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C7-H7-N5
MOLECULAR WEIGHT :
161.19

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
276 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - other changes
REFERENCE :
YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 92,471,1972

 Safety Information

HS Code 2933990090

 Synthetic Route

Isonicotinic acid structure

Isonicotinic acid

CAS#:55-22-1

aminoguanidine (sulfate) structure

aminoguanidine ...

CAS#:2834-84-6

~89%

5-(Pyridin-4-yl)-4H-1,2,4-triazol-3-amine Structure

5-(Pyridin-4-yl...

CAS#:3652-17-3

Literature: Lipinski, Christopher A. Journal of Medicinal Chemistry, 1983 , vol. 26, # 1 p. 1 - 6
Isoniazid structure

Isoniazid

CAS#:54-85-3

~%

5-(Pyridin-4-yl)-4H-1,2,4-triazol-3-amine Structure

5-(Pyridin-4-yl...

CAS#:3652-17-3

Literature: Journal of Medicinal Chemistry, , vol. 28, # 11 p. 1628 - 1636
5-amino-3-(pyridin-4-yl)-1,2,4-triazole hydrochloride structure

5-amino-3-(pyri...

CAS#:1354647-05-4

~%

5-(Pyridin-4-yl)-4H-1,2,4-triazol-3-amine Structure

5-(Pyridin-4-yl...

CAS#:3652-17-3

Literature: Chernyshev; Tarasova; Chernysheva; Taranushich Russian Journal of Applied Chemistry, 2011 , vol. 84, # 11 p. 1890 - 1896
Isonicotinic acid structure

Isonicotinic acid

CAS#:55-22-1

Aminoguanidine hydrochloride structure

Aminoguanidine ...

CAS#:1937-19-5

~88%

5-(Pyridin-4-yl)-4H-1,2,4-triazol-3-amine Structure

5-(Pyridin-4-yl...

CAS#:3652-17-3

Literature: Abdel-Hafez, Atef A.; Elsherief, Hosny A. H.; Jo, Michiko; Kurokawa, Masahiko; Shiraki, Kimiyasu; Kawahata, Takuya; Otake, Toru; Nakamura, Norio; Hattori, Masao Arzneimittel-Forschung/Drug Research, 2002 , vol. 52, # 11 p. 833 - 839
N-(diaminomethylideneamino)pyridine-4-carboxamide structure

N-(diaminomethy...

CAS#:4427-16-1

~%

5-(Pyridin-4-yl)-4H-1,2,4-triazol-3-amine Structure

5-(Pyridin-4-yl...

CAS#:3652-17-3

Literature: Journal of Medicinal Chemistry, , vol. 28, # 11 p. 1628 - 1636

 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

3-<Pyridyl-(4)>-5-amino-triazol(1.2.4)
3-(4-pyridyl)-1H-1,2,4-triazole-5-ylamine
3-amino-5-(4-pyridyl)-1,2,4-triazole
3-(4'-Pyridyl)-5-amino-1,2,4-triazole
5-amino-3-(pyridin-4-yl)-1,2,4-triazole
5-amino-3-(4'-pyridinyl)-1,2,4-triazole
5-pyridin-4-yl-2H-[1,2,4]triazol-3-ylamine
1H-1,2,4-Triazole,3-amino-5-(4-pyridyl)
5-pyridin-4-yl-1H-[1,2,4]triazol-3-ylamine
1H-1,2,4-Triazol-3-amine,5-(4-pyridinyl)
3-(4-pyridinyl)-1H-1,2,4-triazol-5-amine
3-(pyridin-4-yl)-1H-1,2,4-triazol-5-amine
5-(pyridin-4-yl)-4H-1,2,4-triazol-3-amine
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Chemsrc provides CAS#:3652-17-3 MSDS, density, melting point, boiling point, structure, etc. Its name is 5-(Pyridin-4-yl)-4H-1,2,4-triazol-3-amine>> amp version: 5-(Pyridin-4-yl)-4H-1,2,4-triazol-3-amine

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