7-Bromo-5-chloro-1-methyl-1H-imidazo[4,5-b]pyridine CAS 1823927-87-2
| CAS No. | 1823927-87-2 |
| Molecular Formula | C7H5BrClN3 |
| Molecular Weight | 246.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 7-Bromo-5-chloro-1-methyl-1H-imidazo[4,5-b]pyridine.
CATO supplies 7-Bromo-5-chloro-1-methyl-1H-imidazo[4,5-b]pyridine (CAS 1823927-87-2), a certified reference material (molecular formula C7H5BrClN3, MW 246.49 g/mol) for analytical method development and quality control.
Structurally, 7-Bromo-5-chloro-1-methyl-1H-imidazo[4,5-b]pyridine (C7H5BrClN3) contains a nitrile group, chlorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 246.49 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 7-Bromo-5-chloro-1-methyl-1H-imidazo[4,5-b]pyridine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H5BrClN3 |
| Molecular Weight | 246.49 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.) | 1995 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- 3-bromo-6-chloro-1H-indazol-5-amine (CAS 1000342-44-8)
- 3-Bromo-6-chloro-7-methylimidazo[1,2-b]pyridazine (CAS 1025066-16-3)
- 7-Bromo-4-chloro-2-methyl-5H-pyrrolo[3,2-d]pyrimidine (CAS 1055057-39-0)
- 5-Bromo-2-(chloromethyl)benzo[d]oxazole (CAS 110704-48-8)
- 5-Bromo-6-chloro-2,3-dihydro-1H-indol-2-one (CAS 1153885-37-0)
- 8-Bromo-6-chloro-2-methyl-[1,2,4]triazolo[1,5-a]pyridine (CAS 1159813-15-6)
- 5-Bromo-4-chloro-3-hydroxyindole, 97% (CAS 117887-41-9)
- 6-Bromo-2-(chloromethyl)furo[3,2-b]pyridine (CAS 1186310-94-0)
Recommended Standards
- 5-Bromo-7-chloro-1-methyl-1H-imidazo[4,5-b]pyridine (CAS 1823343-76-5)
- 3-(Bromomethyl)-7-chlorofuro[2,3-c]pyridine (CAS 183208-46-0)
- 3-Bromo-6-chloro-2-methylimidazo[1,2-b]pyridazine (CAS 18112-31-7)
- 4-Bromo-6-chloroindolin-2-one (CAS 1889089-88-6)
- Ethyl 1-amino-5-bromo-4-fluoro-2,3-dihydro-1H-indene-1-carboxylate hydrochloride (CAS 2089649-44-3)
- Methyl (S)-2-(2-bromo-7-(4-chlorophenyl)-5-methylbenzo[d]thiazol-6-yl)-2-(tert-butoxy)acetate (CAS 1471256-43-5)
- 4-Amino-5-hydroxynaphthalene-1,7-disulfonic acid (CAS 130-23-4)
- 2-(2,3-Dibromo-5-(difluoromethyl)pyridin-4-yl)acetic acid (CAS 1805330-27-1)
- (5-(Aminomethyl)thiophen-2-yl)(thiophen-3-yl)methanone hydrobromide (CAS 1822668-20-1)
- Bisoprolol Impurity 108 (CAS 2615193-96-7)
- 2-Chloro-1,3-dimethylimidazolidin-1-ium tetrafluoroborate (CAS 153433-26-2)
- (2,4-Dimethylthiazole-5-carbonyl)glycine (CAS 1098363-12-2)
- 7-(2-Methoxyethyl)-1,3-dimethyl-8-(methylthio)-3,7-dihydro-1H-purine-2,6-dione (CAS 878736-61-9)
- Semaglutide impurity 203 (CAS CATO-C4X-2226203)
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