2-Amino-7-bromothieno[3,2-d]pyrimidin-4(1H)-one CAS 2090447-26-8
| CAS No. | 2090447-26-8 |
| Molecular Formula | C6H4BrN3OS |
| Molecular Weight | 246.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H4BrN3OS, 2-Amino-7-bromothieno[3,2-d]pyrimidin-4(1H)-one contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 246.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
2-Amino-7-bromothieno[3,2-d]pyrimidin-4(1H)-one (CAS 2090447-26-8), molecular formula C6H4BrN3OS and molecular weight 246.08 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C6H4BrN3OS |
| Molecular Weight | 246.08 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 2-Amino-6-bromothieno[3,2-d]pyrimidin-4(1H)-one (CAS 2650592-34-8)
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Recommended Standards
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- cyclopropyl(6-methoxypyridin-2-yl)methanamine (CAS 474448-96-9)
- tert-Butyl n-[(5-methylpyrrolidin-3-yl)methyl]carbamate (CAS 1374653-91-4)
- Nα-Carbobenzyloxy-Nω-bis-p-nitrobenzylphospho-L-arginine benzyl ester (CAS 105975-49-3)
- 2-(4-(4-Fluorobenzyl)piperazin-1-yl)ethan-1-ol (CAS 174561-11-6)
- 3-(tert-Butyl)-1-(quinolin-7-yl)-1H-pyrazol-5-amine (CAS 1951451-75-4)
- Tau Peptide (307-321) trifluoroacetate salt (CAS 330456-50-3)
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