![Molecular structure of 2-[(2-Aminothiazol-4-yl)carboxymethyleneaminooxy]-2-methylpropionic acid (CAS 80542-76-3)](/images/chem_structures_svg/043/80542-76-3.svg)
2-[(2-Aminothiazol-4-yl)carboxymethyleneaminooxy]-2-methylpropionic acid
Also known as: (Z)-2-(2-Aminothiazol-4-yl)-2-(1-carboxy-1-methyl)ethoxyiminoacetic acid, 2-({[(Z)-1-(2-Amino-1,3-thiazol-4-yl)-2-hydroxy-2-oxoethylidene]amino}oxy)-2-methylpropanoic acid, ATCA, Aztreonam intermediate, 2-[(2-Aminothiazol-4-yl)carboxymethyleneaminooxy]-2-methylpropanoic acid
2-[(2-Aminothiazol-4-yl)carboxymethyleneaminooxy]-2-methylpropionic acid (CAS 80542-76-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11N3O5S and a molecular weight of 273.266 g/mol. Key properties include a boiling point of 541.5±56.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 281.3±31.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 80542-76-3
- Jingsj CID
- J-1520522-8
- Molecular Formula
- C9H11N3O5S
- Molecular Weight
- 273.266 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 541.5±56.0 °C at 760 mmHg |
|---|---|
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 281.3±31.8 °C |
| Exact Mass | 273.041931 |
| PSA | 163.34000 |
| LogP | 0.23 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.658 |
Customs & Trade Information
| HS Code | 2934100090 |
|---|---|
| Summary | 2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-[(2-Aminothiazol-4-yl)carboxymethyleneaminooxy]-2-methylpropionic acid?
The CAS number of 2-[(2-Aminothiazol-4-yl)carboxymethyleneaminooxy]-2-methylpropionic acid is 80542-76-3.
What are the molecular formula and molecular weight of 2-[(2-Aminothiazol-4-yl)carboxymethyleneaminooxy]-2-methylpropionic acid?
2-[(2-Aminothiazol-4-yl)carboxymethyleneaminooxy]-2-methylpropionic acid has molecular formula C9H11N3O5S and molecular weight 273.266 g/mol.
What are the upstream and downstream products of 2-[(2-Aminothiazol-4-yl)carboxymethyleneaminooxy]-2-methylpropionic acid?
For 2-[(2-Aminothiazol-4-yl)carboxymethyleneaminooxy]-2-methylpropionic acid, Downstream Products: Aztreonam.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-[(2-Aminothiazol-4-yl)carboxymethyleneaminooxy]-2-methylpropionic acid (CAS 80542-76-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1520522-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.