2-(1H-Tetrazol-5-yl)pyridine

Modify Date: 2026-07-03 20:31:43

2-(1H-Tetrazol-5-yl)pyridine Structure
2-(1H-Tetrazol-5-yl)pyridine structure
Common Name 2-(1H-Tetrazol-5-yl)pyridine
CAS Number 33893-89-9 Molecular Weight 147.137
Density 1.4±0.1 g/cm3 Boiling Point 377.1±34.0 °C at 760 mmHg
Molecular Formula C6H5N5 Melting Point 214-215
MSDS USA Flash Point 190.9±18.6 °C

 Names

Name 2-(2H-tetrazol-5-yl)pyridine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 377.1±34.0 °C at 760 mmHg
Melting Point 214-215
Molecular Formula C6H5N5
Molecular Weight 147.137
Flash Point 190.9±18.6 °C
Exact Mass 147.054489
PSA 67.35000
LogP 0.56
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.629
InChIKey LQWXEEDCMLEVHU-UHFFFAOYSA-N
SMILES c1ccc(-c2nn[nH]n2)nc1

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36/37/39
HS Code 2933990090

 Synthetic Route

~98%

2-(1H-Tetrazol-5-yl)pyridine Structure

2-(1H-Tetrazol-...

CAS#:33893-89-9

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Literature: Xie, Aming; Cao, Meiping; Liu, Yangyang; Feng, Liandong; Hu, Xinyu; Dong, Wei European Journal of Organic Chemistry, 2014 , vol. 2014, # 2 p. 436 - 441

~%

2-(1H-Tetrazol-5-yl)pyridine Structure

2-(1H-Tetrazol-...

CAS#:33893-89-9

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Literature: Tetrahedron Letters, , vol. 41, # 16 p. 2805 - 2809

~%

2-(1H-Tetrazol-5-yl)pyridine Structure

2-(1H-Tetrazol-...

CAS#:33893-89-9

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Literature: Recueil des Travaux Chimiques des Pays-Bas, , vol. 74, p. 257,260

~%

2-(1H-Tetrazol-5-yl)pyridine Structure

2-(1H-Tetrazol-...

CAS#:33893-89-9

Learn More
Literature: Recueil des Travaux Chimiques des Pays-Bas, , vol. 74, p. 257,260

~%

2-(1H-Tetrazol-5-yl)pyridine Structure

2-(1H-Tetrazol-...

CAS#:33893-89-9

Learn More
Literature: Recueil des Travaux Chimiques des Pays-Bas, , vol. 74, p. 257,260

 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%

 2-(1H-Tetrazol-5-yl)pyridineBioassay

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Name: Primary cell-based high-throughput screening assay for identification of compounds th...
Source: Johns Hopkins Ion Channel Center
Target: regulator of G-protein signaling 4 isoform 2 [Homo sapiens]
External Id: JHICC_RGS_Act_HTS
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: QFRET-based biochemical primary high throughput screening assay to identify exosite i...
Source: The Scripps Research Institute Molecular Screening Center
Target: disintegrin and metalloproteinase domain-containing protein 17 preproprotein [Homo sapiens]
External Id: ADAM17_INH_QFRET_1536_1X%INH PRUN
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: uHTS identification of small molecule activators of the adaptive arm of the Unfolded ...
Source: Burnham Center for Chemical Genomics
Target: N/A
External Id: BCCG-A405-UPR-XBP1-PrimaryAgonist-Assay
Name: High throughput fluorescence intensity-based biochemical assay to screen for small mo...
Source: University of Pittsburgh Molecular Library Screening Center
Target: furin (paired basic amino acid cleaving enzyme), isoform CRA_a [Homo sapiens]
External Id: MH080376 Biochemical HTS for Inhibitors of the Proprotein Convertase Furin.
Name: Fluorescence polarization to screen for inhibitor that competite the binding of FadD2...
Source: Broad Institute
Target: FATTY-ACID-CoA LIGASE FADD28 (FATTY-ACID-CoA SYNTHETASE)
External Id: 2147-01_Inhibitor_SinglePoint_HTS_Activity
Name: HSF-1 induced GFP reporter and Doxycycline induced RFP reporter Measured in Cell-Base...
Source: Broad Institute
Target: Hsf1 protein
External Id: 2038-03_Inhibitor_Dose_CherryPick_Activity_Set4
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
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 Synonyms

5-(4-pyridyl)-2H-1,2,3,4-tetraazole
2-(1H-Tetrazol-5-yl)pyridine
2-(1H-tetrazole-5-yl)pyridine
Pyridine,4-(2H-tetrazol-5-yl)
5-(2-pyridyl)-2H-1,2,3,4-tetraazole
5-(2-Pyridinyl)tetrazole
4-(2H-TETRAZOL-5-YL)-PYRIDINE
5-(2-Pyridyl)-1H-tetrazole
pyridine,2-(2h-tetrazol-5-yl)
5-(4-Pyridyl)-1H-Tetrazole
MFCD00276920
Pyridine,2-(1H-tetrazol-5-yl)
2-(2H-tetraazol-5-yl)pyridine
5-(pyridin-2-yl)-1H-tetrazole
2-(1H-tetrazol-5'-yl) pyridine
5-(4'-pyridyl)tetrazole
4-(1H-tetrazol-5-yl)-pyridine
4-(1-H-tetrazole-5-yl)pyridine
2-(2H-Tetrazol-5-yl)-pyridine
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