6-bromo-1-methyl-pyrazolo[4,3-b]pyridine-3-carbonitrile CAS 2090591-91-4
| CAS No. | 2090591-91-4 |
| Molecular Formula | C8H5BrN4 |
| Molecular Weight | 237.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-bromo-1-methyl-pyrazolo[4,3-b]pyridine-3-carbonitrile (CAS 2090591-91-4), molecular formula C8H5BrN4 and molecular weight 237.06 g/mol, is a CATO reference standard with documented purity and traceability.
6-bromo-1-methyl-pyrazolo[4,3-b]pyridine-3-carbonitrile (C8H5BrN4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution. 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.
CATO manufactures 6-bromo-1-methyl-pyrazolo[4,3-b]pyridine-3-carbonitrile 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 | C8H5BrN4 |
| Molecular Weight | 237.06 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related bromo Standards
- 2-((4-Bromo-1-methyl-1H-pyrazol-5-yl)methylene)malononitrile (CAS 1005672-95-6)
- 6-Bromo-2-methylpyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 1242268-30-9)
- 3-Bromo-7H-imidazo[1,2-c]pyrrolo[3,2-e]pyrimidine (CAS 1404299-76-8)
- 7-Bromo-1-methyl-1,2,3-benzotriazole-5-carbonitrile (CAS 1423037-16-4)
- 3-bromo-1,2,5,10-tetraazatricyclo[7.3.0.0²,⁶]dodeca-3,5,7,9,11-pentaene (CAS 85102-44-9)
- 3-Bromo-2-methylpyrazolo[1,5-a]pyrimidine-6-carbonitrile (CAS 339010-69-4)
- 5-Bromo-2,2'-bipyrimidine (CAS 400859-08-7)
- methyl 5-bromo-6-oxo-1H-pyrazine-3-carboxylate (CAS 1017603-85-8)
Recommended Standards
- 6-Amino-8-bromoimidazo[1,2-a]pyridine-3-carbonitrile (CAS 2091092-29-2)
- Methyl 4,5-dichloro-2-fluoro-3-methylbenzoate (CAS 2586126-79-4)
- 6-Amino-8-bromoimidazo[1,2-a]pyridine-2-carbonitrile (CAS 2090069-45-5)
- Bortezomib Impurity 11 (CAS CATO-C4X-107211)
- 2-(Allylthio)-3-(pyridin-3-yl)thieno[3,2-d]pyrimidin-4(3H)-one (CAS 338779-50-3)
- Tert-butyl 3-(((2-methoxyethyl)amino)methyl)pyrrolidine-1-carboxylate (CAS 887591-57-3)
- 1,2-Difluoro-3-methoxy-4-nitrobenzene (CAS 66684-60-4)
- 1-(1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-pyrrol-2-yl)ethan-1-ol (CAS 338397-81-2)
- 5-(4-Chlorophenyl)-2-((4-methoxyphenyl)thio)nicotinonitrile (CAS 338954-94-2)
- 2-Chloro-6-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 1605331-70-1)
- 4-Fluorophenyl Methyl Sulfone-d4 (CAS 1189981-42-7)
- Ethyl 2-cyclopropyl-1H-imidazole-5-carboxylate (CAS 1956370-72-1)
- 3-Isopropyl-1-phenyl-5-vinyl-1H-pyrazole (CAS 1956371-05-3)
- [Nva12]-Tirzepatide (CAS CATO-C4X-324042)
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