- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 1H-1,2,3-TRIAZOLO[4,5-B]PYRIDINE
- Price: Check
- Purity: 95.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 1H-1,2,3-TRIAZOLO[4,5-B]PYRIDINE
- Price: ￥226.0/1g ￥856.0/5g ￥1486.0/10g ￥96.0/250mg
- Purity: 95.0%
- Stocking Period: 1 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 3H-1,2,3-Triazolo[4,5-b]pyridine
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
273-34-7
273-34-7 structure
- Name: 1H-1,2,3-TRIAZOLO[4,5-B]PYRIDINE
- Chemical Name: 2H-triazolo[4,5-b]pyridine
- CAS Number: 273-34-7
- Molecular Formula: C5H4N4
- Molecular Weight: 120.11200
- Create Date: 2018-12-11 09:56:32
- Modify Date: 2025-08-26 18:33:52
| Name | 2H-triazolo[4,5-b]pyridine |
|---|---|
| Synonyms |
MFCD00134183
2H-1,2,3-TRIAZOLO[4,5-B]PYRIDINE tetrazaindene 1H-1,2,3-triazolo[4,5]pyridine 3H-1,2,3-Triazolo[4,5-b]pyridine 4-Azabenzotriazole 3H-[1,2,3]Triazolo[4,5-b]pyridine 1,2,3-Triazolo(5,4-b)pyridine 1H-1,2,3-Triazolo[4,5-b]pyridine 7-azabenzotriazole |
| Density | 1.472 g/cm3 |
|---|---|
| Boiling Point | 303.4ºC at 760 mmHg |
| Melting Point | 208 °C (dec.)(lit.) |
| Molecular Formula | C5H4N4 |
| Molecular Weight | 120.11200 |
| Flash Point | 152.9ºC |
| Exact Mass | 120.04400 |
| PSA | 54.46000 |
| LogP | 0.35290 |
| Vapour Pressure | 0.376mmHg at 25°C |
| Index of Refraction | 1.828 |
| Hazard Codes | Xi: Irritant; |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S37/39 |
| WGK Germany | 3 |
| HS Code | 2933990090 |
|
~%
273-34-7 |
| Literature: Vaughan et al. Journal of the American Chemical Society, 1949 , vol. 71, p. 1885 |
|
~%
273-34-7 |
| Literature: Vaughan et al. Journal of the American Chemical Society, 1949 , vol. 71, p. 1885 |
|
~%
273-34-7 |
| Literature: Vaughan et al. Journal of the American Chemical Society, 1949 , vol. 71, p. 1885 |
|
~%
273-34-7 |
| Literature: Torrini, Ines; Zecchini, Giampiero Pagani; Agrosi, Francesco; Paradisi, Mario Paglialunga Journal of Heterocyclic Chemistry, 1986 , vol. 23, p. 1459 - 1463 |
|
~%
273-34-7 |
| Literature: Tschitschibabin; Kirssanow Chemische Berichte, 1927 , vol. 60, p. 775 Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1927 , vol. 59, p. 417 |
| Precursor 5 | |
|---|---|
| DownStream 4 | |
![benzyl triazolo[4,5-b]pyridine-1-carboxylate structure](https://image.chemsrc.com/caspic/139/108655-52-3.png)
![5H-Pyrido[3',2':4,5][1,2,3]triazolo[1,2-a]benzotriazolium,inner salt structure](https://image.chemsrc.com/caspic/291/86662-92-2.png)
![ethyl triazolo[4,5-b]pyridine-1-carboxylate structure](https://image.chemsrc.com/caspic/434/99315-09-0.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% |