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ChemicalBook >> CAS DataBase List >> 1,7,9-triazabicyclo[4.3.0]nona-2,4,6,8-tetraene

1,7,9-triazabicyclo[4.3.0]nona-2,4,6,8-tetraene

$16 - $1921
Product name: 1,7,9-triazabicyclo[4.3.0]nona-2,4,6,8-tetraene
CAS: 274-85-1
MF: C6H5N3
MW: 119.12
EINECS:
MDL Number:MFCD03700708
Synonyms:1,7,9-triazabicyclo[4.3.0]nona-2,4,6,8-tetraene;[1,2,4]Triazolo[1,5-a]pyridine;s-triazolo(1,5-a)pyridine

Price32 Properties Safety Information Description

32 prices

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Brand

aablocks
ACHEMBLOCK
Activate Scientific
AK Scientific
Alichem
Ambeed
American Custom Chemicals Corporation
Apolloscientific
Chemcia Scientific
Chemenu
Crysdot
Matrix Scientific
Sigma-Aldrich
SynQuest Laboratories
Synthonix
TRC

Package

5MG
100mg
250mg
1g
1.00g
5.00g
5g
10G
25G
100g

Manufactureraablocks
Product numberAA00C49N
Product description[1,2,4]Triazolo[1,5-a]pyridine ≥97%
Packaging250mg
Price$19
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA00C49N
Product description[1,2,4]Triazolo[1,5-a]pyridine 97%
Packaging1g
Price$24
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA00C49N
Product description[1,2,4]Triazolo[1,5-a]pyridine 97%
Packaging5g
Price$95
Updated2026-05-28
Buy

ManufacturerACHEMBLOCK
Product numberS76339
Product description[1,2,4]triazolo[1,5-a]pyridine 97%
Packaging5G
Price$125
Updated2026-05-27
Buy

ManufacturerACHEMBLOCK
Product numberS76339
Product description[1,2,4]triazolo[1,5-a]pyridine 97%
Packaging25G
Price$460
Updated2026-05-27
Buy

ManufacturerActivate Scientific
Product numberAS51685
Product description[1,2,4]Triazolo[1,5-a]pyridine 97%
Packaging5g
Price$215
Updated2026-06-04
Buy

ManufacturerActivate Scientific
Product numberAS51685
Product description[1,2,4]Triazolo[1,5-a]pyridine 97%
Packaging1g
Price$59
Updated2026-06-04
Buy

ManufacturerAK Scientific
Product numberV4860
Product description[1,2,4]Triazolo[1,5-a]pyridine
Packaging1g
Price$100
Updated2021-12-16
Buy

ManufacturerAlichem
Product number274851
Product description[1,2,4]Triazolo[1,5-a]pyridine
Packaging5g
Price$347.68
Updated2021-12-16
Buy

ManufacturerAmbeed
Product numberA118682
Product description[1,2,4]Triazolo[1,5-a]pyridine 97%
Packaging5g
Price$118
Updated2021-12-16
Buy

ManufacturerAmbeed
Product numberA118682
Product description[1,2,4]Triazolo[1,5-a]pyridine 97%
Packaging250mg
Price$16
Updated2021-12-16
Buy

ManufacturerAmbeed
Product numberA118682
Product description[1,2,4]Triazolo[1,5-a]pyridine 97%
Packaging1g
Price$30
Updated2021-12-16
Buy

ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0300122
Product description[1,2,4]TRIAZOLO[1,5-A]PYRIDINE 95.00%
Packaging5MG
Price$499.84
Updated2021-12-16
Buy

ManufacturerApolloscientific
Product numberOR960461
Product description[1,2,4]Triazolo[1,5-a]pyridine 99%
Packaging25g
Price$501
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberOR960461
Product description[1,2,4]Triazolo[1,5-a]pyridine 99%
Packaging100g
Price$1921
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberOR960461
Product description[1,2,4]Triazolo[1,5-a]pyridine 99%
Packaging1g
Price$30
Updated2026-06-04
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA00C49N	[1,2,4]Triazolo[1,5-a]pyridine ≥97%	250mg	$19	2026-05-28	Buy
aablocks	AA00C49N	[1,2,4]Triazolo[1,5-a]pyridine 97%	1g	$24	2026-05-28	Buy
aablocks	AA00C49N	[1,2,4]Triazolo[1,5-a]pyridine 97%	5g	$95	2026-05-28	Buy
ACHEMBLOCK	S76339	[1,2,4]triazolo[1,5-a]pyridine 97%	5G	$125	2026-05-27	Buy
ACHEMBLOCK	S76339	[1,2,4]triazolo[1,5-a]pyridine 97%	25G	$460	2026-05-27	Buy
Activate Scientific	AS51685	[1,2,4]Triazolo[1,5-a]pyridine 97%	5g	$215	2026-06-04	Buy
Activate Scientific	AS51685	[1,2,4]Triazolo[1,5-a]pyridine 97%	1g	$59	2026-06-04	Buy
AK Scientific	V4860	[1,2,4]Triazolo[1,5-a]pyridine	1g	$100	2021-12-16	Buy
Alichem	274851	[1,2,4]Triazolo[1,5-a]pyridine	5g	$347.68	2021-12-16	Buy
Ambeed	A118682	[1,2,4]Triazolo[1,5-a]pyridine 97%	5g	$118	2021-12-16	Buy
Ambeed	A118682	[1,2,4]Triazolo[1,5-a]pyridine 97%	250mg	$16	2021-12-16	Buy
Ambeed	A118682	[1,2,4]Triazolo[1,5-a]pyridine 97%	1g	$30	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0300122	[1,2,4]TRIAZOLO[1,5-A]PYRIDINE 95.00%	5MG	$499.84	2021-12-16	Buy
Apolloscientific	OR960461	[1,2,4]Triazolo[1,5-a]pyridine 99%	25g	$501	2026-06-04	Buy
Apolloscientific	OR960461	[1,2,4]Triazolo[1,5-a]pyridine 99%	100g	$1921	2026-06-04	Buy
Apolloscientific	OR960461	[1,2,4]Triazolo[1,5-a]pyridine 99%	1g	$30	2026-06-04	Buy

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Properties

Melting point :110-112 °C
Density :1.29±0.1 g/cm3(Predicted)
storage temp. :Storage temp. 2-8°C
pka :2.70±0.30(Predicted)
form :solid
Appearance :Off-white to yellow Solid
InChI :1S/C6H5N3/c1-2-4-9-6(3-1)7-5-8-9/h1-5H
InChIKey :DACWQSNZECJJGG-UHFFFAOYSA-N
SMILES :N1(C=CC=C2)C2=NC=N1

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning	P264, P280, P302+P352, P321,P332+P313, P362
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning	P264, P280, P305+P351+P338,P337+P313P
H335	May cause respiratory irritation	Specific target organ toxicity, single exposure;Respiratory tract irritation	Category 3	Warning

Precautionary statements:

P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

[1,2,4]Triazolo[1,5-a]pyridine (cas# 274-85-1) is a useful reactant in the synthesis of 1,?2,?4-?triazolo[4,?3-?a]?quinolines.

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Shanghai Sunway Pharmaceutical Technology Co., Ltd SuZhou ShiYa Biopharmaceuticals, Inc. 9ding chemical ( Shanghai) Limited SynAsst Chemical. Shanghai XR Chemical Technology Co., Ltd. SPIRO PHARMA Shanghai RenYue Chemical Technology Co., Ltd. Shanghai YuanYe Biotechnology Co., Ltd. Amadis Chemical Company Limited Aikon International Limited

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1,7,9-triazabicyclo[4.3.0]nona-2,4,6,8-tetraene

Properties

Safety Information

Description

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