3-Bromo-7-chloro-2-methylpyrazolo[1,5-a]pyrimidine-5-carbaldehyde CAS 2387601-53-6
| CAS No. | 2387601-53-6 |
| Molecular Formula | C8H5BrClN3O |
| Molecular Weight | 274.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, 3-Bromo-7-chloro-2-methylpyrazolo[1,5-a]pyrimidine-5-carbaldehyde is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 274.50 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-Bromo-7-chloro-2-methylpyrazolo[1,5-a]pyrimidine-5-carbaldehyde (CAS 2387601-53-6) is a high-purity analytical reference standard with the molecular formula C8H5BrClN3O and a molecular weight of 274.50 g/mol.
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 3-Bromo-7-chloro-2-methylpyrazolo[1,5-a]pyrimidine-5-carbaldehyde 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 | C8H5BrClN3O |
| Molecular Weight | 274.50 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
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Recommended Standards
- 3-Bromo-6-chloro-4-hydroxyquinolin-2(1H)-one (CAS 50689-53-7)
- 3-Chloro-2,6-difluorophenylboronic acid pinacol ester (CAS 2028305-90-8)
- 2-Chloro-3,4-difluorophenylboronic acid pinacol ester (CAS 2121515-05-5)
- 4-Bromo-7-chloro-1h-indole-2-carboxylic acid (CAS 383133-30-0)
- 2-chloro-7-methoxyquinazoline (CAS 953039-15-1)
- Ethyl 6-(2-ethoxyphenyl)-6-oxohexanoate (CAS 898757-42-1)
- 5-(pyridin-4-yl)-1H-pyrazol-3-amine hydrochloride (CAS 1586784-92-0)
- Disodium 4,4'-Diaminodianthraquinone 3,3'-disulfonate (CAS 6022-22-6)
- 5-Chloro-1-methyl-N-(4-(trifluoromethoxy)phenyl)-3-(trifluoromethyl)-1H-pyrazole-4-carboxamide (CAS 321533-83-9)
- 3'-(Trifluoromethyl)[1,1'-biphenyl]-4-amine (CAS 397-28-4)
- HS-173 (CAS 1276110-06-5)
- 3-Chloro-5-(methylthio)benzoic acid (CAS 53985-46-9)
- S 18986 (CAS 175340-20-2)
- Peptide 432 (CAS CATO-CPTD788432)
Why CATO?
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