3-Amino-5-methylisoxazole
Also known as: 3-Amino-5-methylisoxazole, 5-Methylisoxazol-3-amine, 5-Methyl-3-isoxazolamine, 5-Methyl-1,2-oxazol-3-amine, 5-Methyl-3-aminoisoxazole, 3-Isoxazolamine, 5-methyl-, Sulfamethoxazole Impurity 3, Sulfamethoxazole EP Impurity C
3-Amino-5-methylisoxazole (CAS 1072-67-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H6N2O and a molecular weight of 98.10 g/mol. Key properties include a melting point of 59-61 °C(lit.), a boiling point of 235.9±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 96.5±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1072-67-9
- Jingsj CID
- J-3716-1
- Molecular Formula
- C4H6N2O
- Molecular Weight
- 98.10 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 59-61 °C(lit.) |
|---|---|
| Boiling Point | 235.9±20.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 96.5±21.8 °C |
| Exact Mass | 98.048012 |
| PSA | 52.05000 |
| LogP | -0.74 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.524 |
| Additional Property | soluble |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 3-Amino-5-methylisoxazole?
The CAS number of 3-Amino-5-methylisoxazole is 1072-67-9.
What are the molecular formula and molecular weight of 3-Amino-5-methylisoxazole?
3-Amino-5-methylisoxazole has molecular formula C4H6N2O and molecular weight 98.10 g/mol.
What are the upstream and downstream products of 3-Amino-5-methylisoxazole?
For 3-Amino-5-methylisoxazole, Upstream Products: Carbamic acid, (5-methyl-3-isoxazolyl)-, ethyl ester, Crotononitrile; Downstream Products: Tivozanib, 5-Methyl-3-isoxazolyl isothiocyanate, Isoxicam.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Amino-5-methylisoxazole (CAS 1072-67-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3716-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.