2-Aminothiazol-4(5H)-one CAS 556-90-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 556-90-1 |
| Molecular Formula | C3H4N2OS |
| Molecular Weight | 116.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Aminothiazol-4(5H)-one (CAS 556-90-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C3H4N2OS. Molecular weight: 116.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C3H4N2OS |
| Molecular Weight | 116.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Aminothiazol Standards
- 2-Aminothiazol-4-ol (CAS 7146-26-1)
- 2-Aminothiazol-5(2H)-one (CAS 857969-56-3)
- (4-Aminothiazol-2-yl)methanol (CAS 1565928-63-3)
- 2-(2-Aminothiazol-5-yl)acetonitrile (CAS 1393931-67-3)
- 2-(2-Aminothiazol-4-yl)acetonitrile, 97% (CAS 220041-34-9)
- 1-(2-Aminothiazol-4-yl)ethanone (CAS 101258-16-6)
- 1-(4-Aminothiazol-5-yl)ethanone (CAS 69316-07-0)
- 2-(2-Aminothiazol-4-yl)ethan-1-ol (CAS 174666-17-2)
Recommended Standards
- 2-Amino-2-thiazolin-5-one (CAS 81760-27-2)
- 1-Methyl-d3-5-mercapto-1,2,3,4-tetrazole (CAS 345909-96-8)
- 1,3,4-Thiadiazole-2,5-diamine (CAS 2937-81-7)
- 4-Methyl-1-(pyridin-4-yl)pentane-1,3-dione (CAS 1343887-19-3)
- (3-Bromophenyl)(4-methoxyphenyl)methanol (CAS 37832-37-4)
- N-(2,2,2-trifluoroethyl)sulfamoyl chloride (CAS 104468-11-3)
- 1,7-Dimethylphenanthrene (CAS 483-87-4)
- ((4-Formyl-1-phenyl-1H-imidazol-5-yl)selanyl)methyl acetate (CAS 62260-54-2)
- {4-chlorothieno[3,2-d]pyrimidin-6-yl}methanol (CAS 1207972-75-5)
- Semaglutide impurity 45 (CAS CATO-C4X-222645)
Why CATO?
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