4-PHENYL-4H-1,2,4-TRIAZOLE

Modify Date: 2026-07-16 23:40:26

4-PHENYL-4H-1,2,4-TRIAZOLE Structure
4-PHENYL-4H-1,2,4-TRIAZOLE structure
Common Name 4-PHENYL-4H-1,2,4-TRIAZOLE
CAS Number 16227-12-6 Molecular Weight 145.16100
Density 1.16 g/cm3 Boiling Point 292.3ºC at 760 mmHg
Molecular Formula C8H7N3 Melting Point N/A
MSDS N/A Flash Point 130.6ºC

 Names

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

Name 4-phenyl-1,2,4-triazole
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 1.16 g/cm3
Boiling Point 292.3ºC at 760 mmHg
Molecular Formula C8H7N3
Molecular Weight 145.16100
Flash Point 130.6ºC
Exact Mass 145.06400
PSA 30.71000
LogP 1.26730
Vapour Pressure 0.00184mmHg at 25°C
Index of Refraction 1.632
InChIKey YAHHNSBXSDGEFB-UHFFFAOYSA-N
SMILES c1ccc(-n2cnnc2)cc1

 Toxicological Information

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

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XZ5250000
CHEMICAL NAME :
1H-1,2,4-Triazole, 4-phenyl-
CAS REGISTRY NUMBER :
16227-12-6
BEILSTEIN REFERENCE NO. :
0115833
LAST UPDATED :
199709
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C8-H7-N3
MOLECULAR WEIGHT :
145.18
WISWESSER LINE NOTATION :
T5NN DNJ DR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
134 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see JPMSAE. Volume(issue)/page/year: 47,778,1958
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
38 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see JPMSAE. Volume(issue)/page/year: 47,778,1958
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
41 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see JPMSAE. Volume(issue)/page/year: 47,778,1958

 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.

 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%

 4-PHENYL-4H-1,2,4-TRIAZOLEBioassay

View more

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

Name: Inhibition of recombinant human IDO1 expressed in Escherichia coli Rosetta (DE3) cell...
Source: ChEMBL
Target: Indoleamine 2,3-dioxygenase 1
External Id: CHEMBL4834557
Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: A screen for compounds that inhibit viral RNA polymerase binding and polymerization a...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Chain A, Poliovirus Polymerase With Gtp
External Id: HMS750
Total 4, Current Page 1 of 1
1

 Synonyms

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

4-phenyl-4H-1,2,4-triazine
1-phenyl 1,3,4-triazole
4-benzene-1,2,4-triazole
4-Phenyl-1H-1,2,4-triazole
1H-1,2,4-Triazole,4-phenyl

 4-PHENYL-4H-1,2,4-TRIAZOLE | FAQ

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

Q: What is the molecular weight of 4-phenyl-1,2,4-triazole?
A: Molecular weight of 4-phenyl-1,2,4-triazole is 145.16100.
Q: What is the molecular formula of 4-phenyl-1,2,4-triazole?
A: Molecular formula of 4-phenyl-1,2,4-triazole is C8H7N3.
Q: What is the InChIKey of 4-phenyl-1,2,4-triazole?
A: InChIKey of 4-phenyl-1,2,4-triazole is YAHHNSBXSDGEFB-UHFFFAOYSA-N.
Q: What is the polar surface area (PSA) of 4-phenyl-1,2,4-triazole?
A: Polar surface area (PSA) of 4-phenyl-1,2,4-triazole is 30.71000.
Q: What is the CAS number of 4-phenyl-1,2,4-triazole?
A: CAS number of 4-phenyl-1,2,4-triazole is 16227-12-6.
Q: What is the LogP of 4-phenyl-1,2,4-triazole?
A: LogP of 4-phenyl-1,2,4-triazole is 1.26730.
Q: What are the downstream products of 4-phenyl-1,2,4-triazole?
A: Related downstream products(CAS) of 4-phenyl-1,2,4-triazole: 288-88-0;73045-92-8.
Q: What are the upstream materials of 4-phenyl-1,2,4-triazole?
A: Related upstream materials(CAS) of 4-phenyl-1,2,4-triazole: 591-50-4;288-88-0;628-36-4;624-84-0;103-72-0;177028-40-9;5373-72-8;103-70-8.
Q: What is the SMILES notation of 4-phenyl-1,2,4-triazole?
A: SMILES notation of 4-phenyl-1,2,4-triazole is c1ccc(-n2cnnc2)cc1.
Q: What English synonyms does 4-phenyl-1,2,4-triazole have?
A: English synonyms of 4-phenyl-1,2,4-triazole: 4-phenyl-4H-1,2,4-triazine, 1-phenyl 1,3,4-triazole, 4-benzene-1,2,4-triazole, 4-Phenyl-1H-1,2,4-triazole, 1H-1,2,4-Triazole,4-phenyl.

 4-PHENYL-4H-1,2,4-TRIAZOLEfactory

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.
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.
Top Suppliers:I want be here


Get all suppliers and price by the below link:

4-PHENYL-4H-1,2,4-TRIAZOLE suppliers

4-PHENYL-4H-1,2,4-TRIAZOLE price