1H-Tetrazole-1-acetic acid
Also known as: 1H-Tetrazol-1-ylacetic acid, 2-(1H-1,2,3,4-Tetrazol-1-yl)acetic acid, 2-(1H-Tetrazol-1-yl)acetic acid, Tetrazol-1-ylacetic acid, Tetrazol-1-yl-acetic acid, Cefazolin Impurity 12, MFCD00038813, EINECS 244-551-7
1H-Tetrazole-1-acetic acid (CAS 21732-17-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H4N4O2 and a molecular weight of 128.089 g/mol. Key properties include a melting point of 127-129°C, a boiling point of 381.1±44.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 184.3±28.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21732-17-2
- Jingsj CID
- J-1990741-6
- Molecular Formula
- C3H4N4O2
- Molecular Weight
- 128.089 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 127-129°C |
|---|---|
| Boiling Point | 381.1±44.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 184.3±28.4 °C |
| Exact Mass | 128.033432 |
| PSA | 80.90000 |
| LogP | -0.95 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.732 |
Customs & Trade Information
| 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% |
Frequently Asked Questions
What is the CAS number of 1H-Tetrazole-1-acetic acid?
The CAS number of 1H-Tetrazole-1-acetic acid is 21732-17-2.
What are the molecular formula and molecular weight of 1H-Tetrazole-1-acetic acid?
1H-Tetrazole-1-acetic acid has molecular formula C3H4N4O2 and molecular weight 128.089 g/mol.
What are the upstream and downstream products of 1H-Tetrazole-1-acetic acid?
For 1H-Tetrazole-1-acetic acid, Upstream Products: Triethyl orthoformate, Glycine, 7-Aminocephalosporanic acid; Downstream Products: Methyl Tetrazole-1-acetate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1H-Tetrazole-1-acetic acid (CAS 21732-17-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990741-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.