7-bromo-4-chloropyrazolo[1,5-a]pyridine CAS 1427375-34-5
| CAS No. | 1427375-34-5 |
| Molecular Formula | C7H12BrClN2 |
| Molecular Weight | 239.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-bromo-4-chloropyrazolo[1,5-a]pyridine (CAS 1427375-34-5), molecular formula C7H12BrClN2 and molecular weight 239.54 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, chlorine/bromine substitution, 7-bromo-4-chloropyrazolo[1,5-a]pyridine is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 239.54 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures 7-bromo-4-chloropyrazolo[1,5-a]pyridine 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 | C7H12BrClN2 |
| Molecular Weight | 239.54 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
Related bromo Standards
- 4-Bromo-5-chloro-1H-indazole (CAS 1056264-74-4)
- 4-Bromo-7-chloro-1H-indazole (CAS 1186334-61-1)
- 5-Bromo-7-chloro-1H-pyrrolo[2,3-c]pyridine (CAS 1198096-48-8)
- 6-bromo-5-chloroimidazo[1,2-a]pyridine (CAS 1352898-81-7)
- 8-bromo-5-chloroimidazo[1,5-a]pyridine (CAS 1427324-31-9)
- 5-bromo-4-chloropyrazolo[1,5-a]pyridine (CAS 1427415-74-4)
- 4-bromo-7-chloropyrazolo[1,5-a]pyridine (CAS 1427419-42-8)
- 1-(3-bromo-5-chlorophenyl)ethan-1-one (CAS 154257-85-9)
Recommended Standards
- 2-Nitro-3,4,5-trifluorobenzoyl chloride (CAS 173589-92-9)
- 3-bromo-2-methyl-benzoyl chloride (CAS 21900-48-1)
- 3,4,6-Trichloro-2-propylphenol (CAS 55538-73-3)
- 3-bromo-4-chloro-2H-indazole (CAS 885521-40-4)
- 3,5-Dichlor-2-methyl-phenol (CAS 56680-66-1)
- 3-(2,4-Dimethylpyridin-3-yl)propan-1-amine (CAS 1393560-54-7)
- 2-((1-Methylpiperidin-3-yl)oxy)ethanol (CAS 805179-95-7)
- 3-(2-Chloro-3,4-dimethoxyphenyl)pyrrolidine (CAS 1260792-62-8)
- (S)-3-Amino-2-fluoro-1-propanol (CAS 344413-83-8)
- Azacyclotridecan-2-one (CAS 947-04-6)
- Bupivacaine Hydrochloride EP Impurity E (CAS CATO-C4X-148236)
- Methyl 3-amino-5,6-dimethoxybenzo[b]thiophene-2-carboxylate (CAS 198204-16-9)
- 6-(3,5-Difluorophenoxy)hexanenitrile (CAS 1443346-08-4)
- Insulin Degludec Impurity 28 (CAS CATO-C4X-215728)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com