2-Bromo-5,7-dichloropyrazolo[1,5-a]pyrimidine CAS 2668960-31-2
| CAS No. | 2668960-31-2 |
| Molecular Formula | C6H2BrCl2N3 |
| Molecular Weight | 266.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Bromo-5,7-dichloropyrazolo[1,5-a]pyrimidine (CAS 2668960-31-2), a certified reference material (molecular formula C6H2BrCl2N3, MW 266.91 g/mol) for analytical method development and quality control.
The molecular framework of 2-Bromo-5,7-dichloropyrazolo[1,5-a]pyrimidine (C6H2BrCl2N3) is characterized by a nitrile group, chlorine/bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-Bromo-5,7-dichloropyrazolo[1,5-a]pyrimidine 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.
Physical & Chemical Properties
| Molecular Formula | C6H2BrCl2N3 |
| Molecular Weight | 266.91 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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.) | 2002 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- 3-Bromo-5,7-dichloro-pyrazolo[1,5-α]pyrimidine (CAS 114040-06-1)
- 7-Bromo-2,4-dichloro-5h-pyrrolo[3,2-d]pyrimidine (CAS 1311275-27-0)
- 6-bromo-3,5-dichloro-1,2-benzoxazole (CAS 1352894-15-5)
- 3-Bromo-6,8-dichloroimidazo[1,2-a]pyrazine (CAS 1379351-34-4)
- 3-Bromo-4,6-dichloro-1H-pyrazolo[4,3-c]pyridine (CAS 1797506-88-7)
- 3-Bromo-5,6-dichloropyrazolo[1,5-a]pyrimidine (CAS 2640353-29-1)
- 3-Bromo-6,7-dichloroimidazo[1,2-b]pyridazine (CAS 2664901-46-4)
- 8-Bromo-3,5-dichloroimidazo[1,2-c]pyrimidine (CAS 2414520-09-3)
Recommended Standards
- 8-Bromo-3,6-dichloroimidazo[1,2-a]pyrazine (CAS 76537-33-2)
- (3',4'-Dichloro-[1,1'-biphenyl]-4-yl)boronic acid (CAS 1025736-43-9)
- (5-Bromo-6-(1H-pyrrol-1-yl)pyridin-3-yl)boronic acid (CAS 2225175-19-7)
- 2-Amino-4,5-dibromophenol (CAS 1037298-16-0)
- 6-(4-Bromophenyl)-2-chloro-4-methylnicotinonitrile (CAS 1956331-61-5)
- 4-Bromo-2-fluoro-5-methylphenol (CAS 550400-07-2)
- 5-Methyl-3-(3-nitrophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 1326815-05-7)
- (4-Pyridin-2-yl-phenyl)-acetic acid (CAS 51061-67-7)
- 7-Bromo-4-chloro-2-methyl-5H-pyrrolo[3,2-d]pyrimidine (CAS 1055057-39-0)
- 4-Amino-3-bromobenzyl chloride (CAS 1260790-94-0)
- 2-(Methylthio)-5-nitrobenzo[d]thiazole (CAS 3621-98-5)
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- 1-(Benzo[d][1,3]dioxol-5-yl)-3-(4-((6,7-dimethoxy-3,4-dihydroisoquinolin-1-yl)methyl)phenyl)urea (CAS 1022477-90-2)
- D-[γ-Glu](Side Chain)-Semaglutide (CAS CATO-C4X-2226254)
Why CATO?
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