1H-1,2,3-triazolo[4,5-b]pyridine
1H-1,2,3-三唑并[4,5-b]吡啶
Also known as: 4-azabenzotriazole, 7-azabenzotriazole, 2,7-diazabenzimidazole, 2,7-diaza-1H-benzimidazole, 1H-v-triazolo[4,5-b]pyridine, 3H-[1,2,3]triazolo[4,5-b]pyridine, tetrazaindene
1H-1,2,3-triazolo[4,5-b]pyridine (CAS 273-34-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N4 and a molecular weight of 120.11200 g/mol. It is also known as 4-azabenzotriazole, 7-azabenzotriazole and 2,7-diazabenzimidazole. Key properties include a melting point of 208 °C (dec.)(lit.), a boiling point of 303.4ºC at 760 mmHg, a density of 1.472 g/cm3 and a flash point of 152.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 273-34-7
- Jingsj CID
- J-17981-6
- Molecular Formula
- C5H4N4
- Chinese Name
- 1H-1,2,3-三唑并[4,5-b]吡啶
- Molecular Weight
- 120.11200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 208 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 303.4ºC at 760 mmHg |
| Density | 1.472 g/cm3 |
| Flash Point | 152.9ºC |
Frequently Asked Questions
What is the CAS number of 1H-1,2,3-triazolo[4,5-b]pyridine?
The CAS number of 1H-1,2,3-triazolo[4,5-b]pyridine is 273-34-7.
What are the molecular formula and molecular weight of 1H-1,2,3-triazolo[4,5-b]pyridine?
1H-1,2,3-triazolo[4,5-b]pyridine has molecular formula C5H4N4 and molecular weight 120.11200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1H-1,2,3-triazolo[4,5-b]pyridine (CAS 273-34-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17981-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.