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73721-27-4

8-Nitrotetrazolo[1,5-a]pyridine is a chemical compound with the molecular formula C6H3N5O2. It is a derivative of tetrazolo[1,5-a]pyridine, which is a heterocyclic compound containing a tetrazole ring fused to a pyridine ring. The 8-nitro group in this compound is a nitro functional group attached to the 8th position of the pyridine ring. 8-nitrotetrazolo[1,5-a]pyridine is known for its potential applications in the synthesis of various pharmaceuticals and agrochemicals, as well as its use as an intermediate in the preparation of other organic compounds. Due to its reactivity and the presence of the nitro group, it is important to handle 8-nitrotetrazolo[1,5-a]pyridine with care, as it may be sensitive to heat and friction, and could potentially be explosive under certain conditions.

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  • 73721-27-4 Structure

  • Basic information

    1. Product Name: 8-nitrotetrazolo[1,5-a]pyridine
    2. Synonyms:
    3. CAS NO:73721-27-4
    4. Molecular Formula: C5H3N5O2
    5. Molecular Weight: 165.1096
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 73721-27-4.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: 1.91g/cm3
    6. Refractive Index: 1.872
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 8-nitrotetrazolo[1,5-a]pyridine(CAS DataBase Reference)
    10. NIST Chemistry Reference: 8-nitrotetrazolo[1,5-a]pyridine(73721-27-4)
    11. EPA Substance Registry System: 8-nitrotetrazolo[1,5-a]pyridine(73721-27-4)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 73721-27-4(Hazardous Substances Data)

73721-27-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73721-27-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,7,2 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 73721-27:
(7*7)+(6*3)+(5*7)+(4*2)+(3*1)+(2*2)+(1*7)=124
124 % 10 = 4
So 73721-27-4 is a valid CAS Registry Number.

73721-27-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 8-nitrotetrazolo[1,5-a]pyridine

1.2 Other means of identification

Product number -
Other names 4-nitrotetrazolo<1,5-a>pyridine

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:73721-27-4 SDS

73721-27-4Upstream product

73721-27-4Relevant articles and documents

Pyridine-phosphinimine ligand-accelerated Cu(I)-catalyzed azide-alkyne cycloaddition for preparation of 1-(pyridin-2-yl)-1,2,3-triazole derivatives

Sun, Ranfeng,Wang, Huangdong,Hu, Jianfeng,Zhao, Jiudong,Zhang, Hao

, p. 5954 - 5963 (2014/08/05)

A series of phosphinimine ligands were designed and used in the Cu(i)-catalyzed azide-alkyne cycloaddition (CuAAC) reaction of tetrazolo[1,5-a]pyridines and alkynes for the first time. By optimizing the reaction conditions, an efficient catalytic system (CuCl/2-PyCH 2NPtBu3) was developed to give 1-(pyridin-2-yl)-1,2,3-triazole derivatives in moderate to excellent yields (46-98%). This journal is the Partner Organisations 2014.

Tetrazolopyridines and Furazanopyridine 1-Oxides

Lowe-Ma, Charlotte K.,Nissan, Robin A.,Wilson, William S.

, p. 3755 - 3761 (2007/10/02)

Tetrazolopyridines may be prepared by the reaction of azide ion with 2-chloropyridines.These tetrazolopyridines are shown to be in equilibrium with the corresponding 2-azidopyridines.Furazanopyridine 1-oxides may be prepared by thermolysis of the appropriate 4-nitrotetrazolopyridines, presumably via the corresponding 2-azido-3-nitropyridines.The furazanopyridine 1-oxides are found to be in equilibrium with the 3-oxides. 1H and 13C NMR are used to examine this equilibrium.

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