3-Bromo-1H-pyrazolo[4,3-b]pyridin-5(4H)-one CAS 52090-81-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 52090-81-0 |
| Molecular Formula | C6H4BrN3O |
| Molecular Weight | 214.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Bromo-1H-pyrazolo[4,3-b]pyridin-5(4H)-one (CAS 52090-81-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H4BrN3O. Molecular weight: 214.02 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H4BrN3O |
| Molecular Weight | 214.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1971 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- 7-Bromo-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (CAS 1020038-96-3)
- 5-Bromo-1H-pyrazolo[3,4-b]pyridin-3(2H)-one, 97% (CAS 1086064-44-9)
- 5-Bromo-4-methoxypyrimidine-2-carbonitrile (CAS 114969-90-3)
- 6-Bromo-[1,2,4]triazolo[1,5-a]pyrazin-2-amine (CAS 1184915-33-0)
- 8-bromo-2H-[1,2,4]triazolo[4,3-a]pyridin-3-one (CAS 1207970-25-9)
- 6-Bromo-1H-pyrazolo[4,3-b]pyridin-3-ol (CAS 1352393-60-2)
- 5-Bromo-3H,4H-pyrrolo[2,1-f][1,2,4]triazin-4-one (CAS 1403767-05-4)
- 6-bromo-1H,5H-imidazo[1,2-a]pyrimidin-5-one (CAS 140685-72-9)
Recommended Standards
- 3-Bromo-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 83255-86-1)
- 3-Bromo-2H-pyrazolo[4,3-d]pyrimidin-7-amine (CAS 959081-27-7)
- 3-Bromo-1H-pyrazolo[3,4-c]pyridin-7(6H)-one (CAS 956077-63-7)
- 4-Bromo-5,8-difluoro-2-methylquinoline (CAS 1189105-80-3)
- 1-(3-Fluoro-4-methoxyphenyl)pentan-1-one (CAS 586-20-9)
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- (S)-2-(4-Hydroxy-2-oxopyrrolidin-1-yl)aceticacid (CAS 99437-11-3)
- 3-Chloro-5-(trifluoromethoxy)benzamide (CAS 886503-25-9)
- 1-Butyl-3-methyl-1h-pyrazol-4-amine (CAS 1006495-54-0)
- (2S)-2-amino-4-(hydroxymethylphosphinyl)butanoyl-L-alanyl-L-alanine (2S)-2-amino-4-[hydroxy(methyl)phosphinoyl]butyryl-L-alanyl-L-alanine 2-Amino-4-(methylphosphino)butyrylalanylalanine 35597-43-4 Antibiotic SF 1293 Bialaphos CHEBI:3088 L-phosphinothricyl-L-alanyl-L-alanine N-{(2S)-2-amino-4-[hydroxy(methyl)phosphoryl]butanoyl}-L-alanyl-L-alanine PTT Phosphinothricylalanylalanine bilanafos gamma-(Hydroxymethylphosphinyl)-L-alpha-aminobutyryl-L-alanyl-L-alanine phosphinothricin tripeptide (CAS 35597-43-4)
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