6969-71-7
6969-71-7 structure
- Name: [1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one
- Chemical Name: 1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one,
- CAS Number: 6969-71-7
- Molecular Formula: C6H5N3O
- Molecular Weight: 135.123
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Pyridine derivative
- Create Date: 2018-12-29 13:39:51
- Modify Date: 2026-07-01 11:04:42
| Name | 1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one, |
|---|---|
| Synonyms |
Pyridotriazolone
1,2,4-TRIAZOLO-[4,3-A]PYRIDINE-3(2H)-ONE Triazolo Pyridinone T56 ANVMNJ 1,2,4-Triazolo4,3-aüpyridin-3(2H)-one Trazodone Hydrochloride Impurity 15 (Trazodone Hydrochloride Impurity K) Pyridine Triazolone (trazodone impurity 4) 2H-[1,2,4]triazolo[4,3-a]pyridin-3-one 1,2,4-Triazolo[4,3-a]pyridine-3(2H) Trazodone Impurity 15 Trazodone Triazolopyridinone 1,2,4-Triazol-[4,3-a]-pyridin-3(2H)-one Pyridine threeTriadiMefon 1,2,4-trizolo(4,3a)pyridine-3(2H)-one 1,2,4-TRIAZOL-(4,3-A)-PYRIDINE 3 (2H)-ONE 2,4-Triazolopyridin-3-one 1,2,4-Triazolo[4,3-a 3-HYDROXY-1,2,4-TRIAZOLO[4,3-A]PYRIDINE 1,2,4 triazolo[4,3-a pyridine-3(2H)-Onesodium (TDI) s-Triazolo[4,3-a]pyridin-3-ol 1,2,4]triazolo[4,3-a]pyridine-3(2H)-Onesodium 1,2,4-Triazole-(4,3-alpha)pyri 1,2,4-Triazole-(4,3-a) Pyridine-3 (2H) - One 1,2,4-TRIAZOLO-[4,3-α]-PYRIDIN-3(2H)-ONE MFCD00022632 1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one 1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one (9CI, ACI) Pyridinotriazolone 1,2,4]triazolo[4,3-a]pyridin-3-one T56 AN CNNJ BQ 3-HYDROXYTRIAZOLO[4,3-A]PYRIDINE Trazodone impurity K Pyridine triadiMefon [1,2,4] TRIAZOLO [4,3-A] PYRIDIN-3(2H)-ONE ( TPO ) 1,2,4-TRIAZOLO[4,3-A]PYRIDIN-3(2H)-ONE 1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one ISO 9001：2015 REACH Pyridyltriazolone Trazodone Impurity K (Triazolopyridinone) EINECS 230-191-8 3-Hydroxytriazolo[4,3-a]pyridine 1,2,4-Triazolopyridin-3-one 1,2,4-TRIAZOLE(4,3)PYRIDIN-3-(2H)-ONE 1,2,4-Triazolo[4,3-a]pyridin-3(H)-one 2H,3H-[1,2,4]triazolo[4,3-a]pyridin-3-one Trazodone Impurity 15 (Trazodone Hydrochloride Impurity K) |
| Density | 1.5±0.1 g/cm3 |
|---|---|
| Melting Point | 231°C |
| Molecular Formula | C6H5N3O |
| Molecular Weight | 135.123 |
| Exact Mass | 135.043259 |
| PSA | 50.16000 |
| LogP | -1.17 |
| Index of Refraction | 1.739 |
| Storage condition | 2-8°C |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Hazard Codes | Xi |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36 |
| RIDADR | NONH for all modes of transport |
| HS Code | 2933990090 |
|
~49%
6969-71-7 |
| Literature: AUSPEX PHARMACEUTICALS, INC. Patent: US2009/209550 A1, 2009 ; Location in patent: Page/Page column 25-26 ; |
|
~69%
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| Literature: Rombouts, Frederik; Franken, Dennis; Martinez-Lamenca, Carolina; Braeken, Mirielle; Zavattaro, Chiara; Chen, Jinsheng; Trabanco, Andres A. Tetrahedron Letters, 2010 , vol. 51, # 37 p. 4815 - 4818 |
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| Literature: US4465683 A1, ; |
|
~57%
6969-71-7 |
| Literature: Sakai, Norio; Funabashi, Makoto; Minakata, Satoshi; Ryu, Ilhyong; Komatsu, Mitsuo Heterocycles, 2000 , vol. 53, # 2 p. 265 - 270 |
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| Literature: Heterocycles, , vol. 53, # 2 p. 265 - 270 |
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| Literature: Bulletin of the Chemical Society of Japan, , vol. 56, # 10 p. 2969 - 2973 |
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6969-71-7 |
| Literature: Bulletin of the Chemical Society of Japan, , vol. 56, # 10 p. 2969 - 2973 |
| Precursor 8 | |
|---|---|
| DownStream 4 | |
![2-(3-CHLOROPROPYL)-1,2,4-TRIAZOL-[4,3-A]PYRIDINE-3 (2H)-ONE structure](https://image.chemsrc.com/caspic/459/19666-40-1.png)
![7-benzyl-7,8-diaza-1-azoniabicyclo[4.3.0]nona-1,3,5-trien-9-one structure](https://image.chemsrc.com/caspic/452/42238-98-2.png)
| 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% |