3-Bromo-5-chloropyrazolo[1,5-a]pyrimidin-6-ol CAS CATO-C3D-5316
| CAS No. | CATO-C3D-5316 |
| Molecular Formula | C6H3BrClN3O |
| Molecular Weight | 248.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-Bromo-5-chloropyrazolo[1,5-a]pyrimidin-6-ol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
CATO supplies 3-Bromo-5-chloropyrazolo[1,5-a]pyrimidin-6-ol (CAS CATO-C3D-5316), a certified reference material (molecular formula C6H3BrClN3O, MW 248.46 g/mol) for analytical method development and quality control.
3-Bromo-5-chloropyrazolo[1,5-a]pyrimidin-6-ol (C6H3BrClN3O) contains an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H3BrClN3O |
| Molecular Weight | 248.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | >95% |
| 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 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- 6-Bromo-5-chloro-1H-imidazo[4,5-b]pyridin-2(3H)-one (CAS 1207627-28-8)
- 6-Bromo-4-chlorobenzo[d]oxazol-2(3H)-one (CAS 1226072-99-6)
- 6-Bromo-2-chloropyrrolo[2,1-f][1,2,4]triazin-4(3H)-one (CAS 1613751-15-7)
- 7-Bromo-4-chloro-1H-imidazo[4,5-c]pyridin-2(3H)-one (CAS 161836-07-3)
- 6-Bromo-5-chloropyrrolo[2,1-f][1,2,4]triazin-4(3H)-one (CAS 1703794-44-8)
- 5-Bromo-6-chloroimidazo[1,5-a]pyrazin-8-ol (CAS 1858215-47-0)
- 6-Bromo-7-chloro-1H-imidazo[4,5-b]pyridin-2(3H)-one (CAS 1936300-43-4)
- 5-Bromo-6-chlorobenzo[d]isoxazol-3-ol (CAS 855996-71-3)
Recommended Standards
- 6-Bromo-5-chlorobenzo[d]oxazol-2(3H)-one (CAS 5579-85-1)
- 3-bromo-4-chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine (CAS 1003298-79-0)
- 6-bromo-5-chloro-1,2-benzoxazol-3-ol (CAS 855996-74-6)
- 4-(4-Chlorophenoxy)phenylboronic Acid (CAS 1035491-05-4)
- 5-Bromo-4-chloro-2-(trifluoromethoxy)aniline (CAS 1805139-11-0)
- D-[2- (CAS 131771-47-6)
- methyl 2-({[4-(trifluoromethyl)phenyl]methyl}amino)acetate hydrochloride (CAS 1797551-79-1)
- 3-(2-Methylphenyl)cyclopentanone (CAS 1181643-89-9)
- Darusentan (CAS 171714-84-4)
- Oxetan-3-ylhydrazine (CAS 1334499-10-3)
- 1-Propanaminium, 2-hydroxy-N,N,N-trimethyl-3-[(2-methyl-1-oxo-2-propen-1-yl)oxy]-, chloride , polymer with ethyl 2-propenoate and methyl 2-methyl-2-propenoate (CAS 68239-32-7)
- 1-(2-Chloroethyl)-3,5-dimethyl-1H-1,2,4-triazole hydrochloride (CAS 52497-34-4)
- 2-(3,4-Dichlorophenyl)-2-(pyrrolidin-1-yl)ethan-1-amine (CAS 178167-17-4)
- Neuropeptide Y (free acid) (human, rat) trifluoroacetate salt (CAS 99575-89-0)
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