5-Bromo-4-chloro-7H-pyrrolo[2,3-d]pyrimidin-2-amine CAS 873792-87-1
| CAS No. | 873792-87-1 |
| Molecular Formula | C6H4BrClN4 |
| Molecular Weight | 247.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Bromo-4-chloro-7H-pyrrolo[2,3-d]pyrimidin-2-amine (C6H4BrClN4) 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 247.48 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5-Bromo-4-chloro-7H-pyrrolo[2,3-d]pyrimidin-2-amine (CAS 873792-87-1), molecular formula C6H4BrClN4 and molecular weight 247.48 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5-Bromo-4-chloro-7H-pyrrolo[2,3-d]pyrimidin-2-amine 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 | C6H4BrClN4 |
| Molecular Weight | 247.48 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.) | 1987 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 4-Bromo-6-chloro-1H-indazol-3(2H)-one (CAS 887568-37-8)
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- 4-Bromo-3-chloro-1H-indazol-6-ol (CAS 887568-89-0)
- 6-Bromo-2-(chloromethyl)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 2092211-77-1)
- 1-(4-Methoxybenzyl)-5-oxopyrrolidine-3-carbonitrile (CAS 1017446-51-3)
- 3-Fluoro-6,11-dihydrothiochromeno[4,3-b]indole (CAS 21243-27-6)
- 5-Bromo-2-((3-fluorobenzyl)oxy)pyrimidine (CAS 1635413-27-2)
- 3-Chloro-2-(trifluoromethyl)phenol (CAS 106877-34-3)
- (R)-2-(2,3,6-trifluorophenyl)pyrrolidine (CAS 1241683-98-6)
- 5-(3-Fluorobenzylidene)-2-(4-propoxyphenyl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 606955-41-3)
- Uracil-5-d1 (CAS 24897-50-5)
- 2-(2,4-Dichloropyrimidin-5-yl)acetic acid (CAS 933685-95-1)
- 2-(6-Bromo-5-(difluoromethyl)-4-iodopyridin-3-yl)acetonitrile (CAS 1805922-15-9)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
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