4,5-Dibromo-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one CAS 1190316-62-1
| CAS No. | 1190316-62-1 |
| Molecular Formula | C7H4Br2N2O |
| Molecular Weight | 291.93 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4,5-Dibromo-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one 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.
4,5-Dibromo-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one (CAS 1190316-62-1) is a high-purity analytical reference standard with the molecular formula C7H4Br2N2O and a molecular weight of 291.93 g/mol.
Structurally, 4,5-Dibromo-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one (C7H4Br2N2O) contains an amide group, a hydroxyl group, an ether linkage, 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 291.93 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.
Physical & Chemical Properties
| Molecular Formula | C7H4Br2N2O |
| Molecular Weight | 291.93 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.) | 1989 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Dibromo Standards
- 5,7-Dibromo-1H-indazol-3-ol (CAS 108961-61-1)
- 3,3-Dibromo-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one (CAS 113423-51-1)
- 6,8-Dibromo-2-methyl-[1,2,4]triazolo[1,5-a]pyrazine (CAS 1198475-31-8)
- 3,6-Dibromo-5-hydroxy-4-azaindole (CAS 1260382-84-0)
- 5,6-Dibromo-1,3-dihydro-2H-benzo[d]imidazol-2-one (CAS 176244-22-7)
- 2,4-Dibromo-6,7-dihydro-5H-pyrrolo[3,4-b]pyridin-5-one (CAS 1808171-05-2)
- 7,9-Dibromo-9aH-pyrazino[1,2-a][1,3,5]triazine (CAS 1823346-73-1)
- 2,6-Dibromo-9-methyl-9h-purine (CAS 2135336-62-6)
Recommended Standards
- 3,6-Dibromoimidazo[1,2-a]pyrazin-8-amine (CAS 117718-87-3)
- 6,8-Dibromoimidazo[1,2-a]pyrazin-3-amine (CAS 1288989-83-2)
- Butylphthalide Impurity N5 (CAS 169141-21-3)
- 5,7-Dibromopyrrolo[2,1-f][1,2,4]triazin-4-amine (CAS 1644150-15-1)
- 2-(4-Hydroxy-butyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acid (CAS 351334-92-4)
- 2-Bromo-4-methyl-5-nitroimidazole (CAS 105983-46-8)
- 4-Benzylpiperidine hydrochloride (CAS 23239-75-0)
- (4-Ethoxynaphthalen-2-yl)methanol (CAS 1707403-22-2)
- Ethyl 4-(4-(methoxycarbonyl)phenyl)piperazine-1-carboxylate (CAS 924869-10-3)
- N-(3-(Phenylamino)allylidene)aniline hydrochloride (CAS 28140-60-5)
- 8-Chloro-3-fluoro-[1,5]naphthyridine (CAS 1151802-02-6)
- methyl 5-(tert-butoxycarbonylamino)thiazole-2-carboxylate (CAS 1265909-10-1)
- 2-(1H-Pyrrolo[3,2-b]pyridin-3-yl)acetic acid (CAS 27224-27-7)
- Gly-Neuroendocrine Regulatory Peptide-3 (human, mouse, rat) trifluoroacetate salt (CAS 1815618-19-9)
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