1-(2-Aminothiazol-5-yl)-2-bromoethan-1-one CAS 1377581-56-0
| CAS No. | 1377581-56-0 |
| Molecular Formula | C5H5BrN2OS |
| Molecular Weight | 221.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-(2-Aminothiazol-5-yl)-2-bromoethan-1-one (C5H5BrN2OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 221.07 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
1-(2-Aminothiazol-5-yl)-2-bromoethan-1-one (CAS 1377581-56-0) is a high-purity analytical reference standard with the molecular formula C5H5BrN2OS and a molecular weight of 221.07 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H5BrN2OS |
| Molecular Weight | 221.07 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Aminothiazol Standards
- 2-(2-Aminothiazol-4-yl)benzoic acid (CAS 748121-40-6)
- Ethyl 2-(2-aminothiazol-4-yl)-2,2-difluoroacetate (CAS 1555546-92-3)
- Methyl 2-(((2-aminothiazol-4-yl)methyl)thio)acetate (CAS 1153436-63-5)
- Ethyl 2-(2-Aminothiazol-5-ylthio)acetate (CAS 859522-19-3)
- (2-Aminothiazol-5-yl)(phenyl)methanone (CAS 27053-21-0)
- (2-Aminothiazol-5-yl)(p-tolyl)methanone (CAS 27053-22-1)
- 4-(2-Aminothiazol-4-yl)benzene-1,2,3-triol (CAS 20217-18-9)
- Methyl 3-(2-aminothiazol-4-yl)bicyclo[1.1.1]Pentane-1-carboxylate (CAS 1980049-04-4)
Recommended Standards
- 5-Bromo-2-methylthiophene-3-carboxylic acid (CAS 1344027-40-2)
- 3-Amino-4-bromothiophene-2-carboxamide (CAS 1378876-49-3)
- N-[(4-Bromo-2-thiazolyl)methyl]formamide (CAS 1279721-67-3)
- 5-Bromo-N-methyl-2-thiazolecarboxamide (CAS 1414958-87-4)
- 4-Methyl-N-phenylbenzamide (CAS 6833-18-7)
- 4-(2,4,5-Trimethylphenyl)-4-oxobutyric acid (CAS 89080-36-4)
- tert-butyl N-{2-amino-1-[4-(propan-2-yl)phenyl]ethyl}carbamate (CAS 1019355-17-9)
- 2-(Trifluoromethyl)-3-hydroxypropionic Acid (CAS 382-43-4)
- 2-(2,2-Diphenylacetyl)-3-(propan-2-ylidenehydrazineylidene)-2,3-dihydro-1H-inden-1-one (CAS 6287-79-2)
- Azido-PEG1-methyl ester (CAS 1835759-80-2)
- 5-Bromo-2-(methylthio)-3-nitropyridine (CAS 886372-84-5)
- 3-(((2-Bromoallyl)(methyl)amino)methyl)tetrahydrothiophene 1,1-dioxide (CAS 1355503-72-8)
- 4-((4-Methylpyrimidin-2-yl)thio)cyclohexan-1-amine (CAS 1344272-26-9)
- Macrophage Inhibitory Peptide (CAS 41961-56-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com