5-bromo-4-chloro-2-methyl-7H-pyrrolo[2,3-d]pyrimidine CAS 1111237-76-3
| CAS No. | 1111237-76-3 |
| Molecular Formula | C7H13BrClN3 |
| Molecular Weight | 254.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-bromo-4-chloro-2-methyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 1111237-76-3) is a high-purity analytical reference standard with the molecular formula C7H13BrClN3 and a molecular weight of 254.56 g/mol.
Owing to a nitrile group, chlorine/bromine substitution, 5-bromo-4-chloro-2-methyl-7H-pyrrolo[2,3-d]pyrimidine is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 254.56 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.
As a certified reference material (CRM), 5-bromo-4-chloro-2-methyl-7H-pyrrolo[2,3-d]pyrimidine 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 | C7H13BrClN3 |
| Molecular Weight | 254.56 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.) | 1989 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 3 |
Related bromo Standards
- 3-bromo-8-chloro-2-methylimidazo[1,2-a]pyrazine (CAS 1124321-36-3)
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- 5-bromo-2-(chloromethyl)pyrrolo[2,1-f][1,2,4]triazine (CAS 1368300-93-9)
- 7-bromo-2-(chloromethyl)pyrrolo[2,1-f][1,2,4]triazine (CAS 1368331-16-1)
- 5-bromo-2-chloro-7-methyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 1638763-37-7)
- 5-bromo-2-chloro-N-(prop-2-en-1-yl)pyrimidin-4-amine (CAS 959799-08-7)
- 6-bromo-4-chloro-7-methyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 784150-42-1)
- 573675-31-7 7-BROMO-4-CHLOROPYRIDO[3,2-D]PYRIMIDINE ABBYPHARMA AP-14-10972 BC003903 PYRIDO[3,2-D]PYRIMIDINE, 7-BROMO-4-CHLORO- (CAS 573675-31-7)
Recommended Standards
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