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ChemicalBook >> CAS DataBase List >> 1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one

1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one

1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one price.
  • $6 - $5058.9
  • Product name: 1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one
  • CAS: 6969-71-7
  • MF: C6H5N3O
  • MW: 135.12
  • EINECS:230-191-8
  • MDL Number:MFCD00022632
  • Synonyms:1,2,4-TRIAZOLE(4,3)PYRIDIN-3-(2H)-ONE;1,2,4-TRIAZOL-(4,3-A)-PYRIDINE 3 (2H)-ONE;1,2,4-Triazolopyridin-3-one;3-HYDROXYTRIAZOLO[4,3-A]PYRIDINE;3-HYDROXY-1,2,4-TRIAZOLO[4,3-A]PYRIDINE;1,2,4-Triazole-(4,3-alpha)pyri;Trazodone Impurity 15;2,4-Triazolopyridin-3-one
Price61 Properties Safety Information Description
61 prices
Selected condition：
Brand
  • aablocks
  • AHH
  • AK Scientific
  • Alichem
  • Ambeed
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Atlantic Research Chemicals
  • Biosynth
  • Cayman Chemical
  • Chem-Impex
  • ChemScene
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  • Frontier Specialty Chemicals
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  • 50gm:
  • Manufactureraablocks
  • Product numberAA003AWX
  • Product description[1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98%
  • Packaging10g
  • Price$8
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003AWX
  • Product description[1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98%
  • Packaging25g
  • Price$10
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003AWX
  • Product description[1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98%
  • Packaging100g
  • Price$19
  • Updated2026-05-28
  • Buy
  • ManufacturerAHH
  • Product numberMT-26520
  • Product description1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one 97%
  • Packaging1000g
  • Price$330
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product numberI105
  • Product description1,2,4-Triazolo-[4,3,a]pyridin-3(2H)-one 98%
  • Packaging100g
  • Price$76
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ52453
  • Product description1,2,4-Triazolo-[4,3,a]pyridin-3(2H)-one
  • Packaging1g
  • Price$10
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberI105
  • Product description1,2,4-Triazolo-[4,3,a]pyridin-3(2H)-one 98%
  • Packaging5g
  • Price$16
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberI105
  • Product description1,2,4-Triazolo-[4,3,a]pyridin-3(2H)-one 98%
  • Packaging25g
  • Price$22
  • Updated2026-06-04
  • Buy
  • ManufacturerAlichem
  • Product number6969717
  • Product description[1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one
  • Packaging500g
  • Price$486
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA162219
  • Product description[1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98%
  • Packaging500g
  • Price$343
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA162219
  • Product description[1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98%
  • Packaging100g
  • Price$105
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA162219
  • Product description[1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98%
  • Packaging5g
  • Price$12
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA162219
  • Product description[1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98%
  • Packaging1g
  • Price$6
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA162219
  • Product description[1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98%
  • Packaging10g
  • Price$22
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA162219
  • Product description[1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98%
  • Packaging25g
  • Price$51
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0017139
  • Product description1,2,4-TRIAZOLO[4,3-A]PYRIDIN-3(2H)-ONE 95.00%
  • Packaging25G
  • Price$1166.55
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003AWX [1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98% 10g $8 2026-05-28 Buy
aablocks AA003AWX [1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98% 25g $10 2026-05-28 Buy
aablocks AA003AWX [1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98% 100g $19 2026-05-28 Buy
AHH MT-26520 1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one 97% 1000g $330 2026-05-26 Buy
AK Scientific I105 1,2,4-Triazolo-[4,3,a]pyridin-3(2H)-one 98% 100g $76 2026-06-04 Buy
AK Scientific J52453 1,2,4-Triazolo-[4,3,a]pyridin-3(2H)-one 1g $10 2021-12-16 Buy
AK Scientific I105 1,2,4-Triazolo-[4,3,a]pyridin-3(2H)-one 98% 5g $16 2026-06-04 Buy
AK Scientific I105 1,2,4-Triazolo-[4,3,a]pyridin-3(2H)-one 98% 25g $22 2026-06-04 Buy
Alichem 6969717 [1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 500g $486 2021-12-16 Buy
Ambeed A162219 [1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98% 500g $343 2021-12-16 Buy
Ambeed A162219 [1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98% 100g $105 2021-12-16 Buy
Ambeed A162219 [1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98% 5g $12 2021-12-16 Buy
Ambeed A162219 [1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98% 1g $6 2021-12-16 Buy
Ambeed A162219 [1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98% 10g $22 2021-12-16 Buy
Ambeed A162219 [1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one 98% 25g $51 2021-12-16 Buy
American Custom Chemicals Corporation CHM0017139 1,2,4-TRIAZOLO[4,3-A]PYRIDIN-3(2H)-ONE 95.00% 25G $1166.55 2021-12-16 Buy
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Properties

Melting point :231°C
Density :1.51±0.1 g/cm3(Predicted)
storage temp. :2-8°C
solubility :DMSO (Slightly), Methanol (Slightly, Heated, Sonicated)
pka :7.86±0.20(Predicted)
form :Solid
color :Light Brown to Brown
BRN :607433
Stability :Light Sensitive
InChI :InChI=1S/C6H5N3O/c10-6-8-7-5-3-1-2-4-9(5)6/h1-4H,(H,8,10)
InChIKey :LJRXNXBFJXXRNQ-UHFFFAOYSA-N
SMILES :C12=NNC(=O)N1C=CC=C2
LogP :0.113
CAS DataBase Reference :6969-71-7(CAS DataBase Reference)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram 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.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
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[4,3-a]pyridin-3(2H)-one was used to prepare a congener of Trazodone (T718500) which was found to be a potent and selective inhibitor of synaptosomal uptake of 5-hydroxytryptamine.

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Chromium picolinate Sodium omadine Salicylazosulfapyridine Zinc pyrithione Trazodone 4-Methylpyridine Pyridine 2-Pyridinecarboxaldehyde Pyridine hydrochloride Pyridine sulfur trioxide 1149-23-1 Trazodone hydrochloride 4-HYDROXYPYRIDINE 6969-71-7

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Suppliers and manufacturers

Huaian Jiamu Biotechnology Co., Ltd. Yangzhou Prince Chemical Co., Ltd Jiangsu laurel Pharma Co., Ltd Shanghai Taijilin Industrial Co., Ltd. Sigma-Aldrich Jinan Dexinjia Bio&Tech Co., Ltd Jinan Junhe Pharmaceutical Co., Ltd J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. Alfa Aesar