7-Chloroimidazo[1,2-a]pyrimidin-5(8H)-one CAS 57473-33-3
| CAS No. | 57473-33-3 |
| Molecular Formula | C6H4ClN3O |
| Molecular Weight | 169.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 7-Chloroimidazo[1,2-a]pyrimidin-5(8H)-one is closely related to an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 7-Chloroimidazo[1,2-a]pyrimidin-5(8H)-one (CAS 57473-33-3), a certified reference material (molecular formula C6H4ClN3O, MW 169.57 g/mol) for analytical method development and quality control.
Structurally, 7-Chloroimidazo[1,2-a]pyrimidin-5(8H)-one (C6H4ClN3O) contains an amide group, a hydroxyl group, an ether linkage, chlorine 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 169.57 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-Chloroimidazo[1,2-a]pyrimidin-5(8H)-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.
Physical & Chemical Properties
| Molecular Formula | C6H4ClN3O |
| Molecular Weight | 169.57 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloroimidazo Standards
- 6-Chloroimidazo[1,2-b]pyridazin-2-ol (CAS 55690-62-5)
- 6-Chloroimidazo[1,2-a]pyridin-3-ol (CAS 1019031-76-5)
- 5-Chloroimidazo[1,2-a]pyrazin-3-amine (CAS 1289120-85-9)
- 8-Chloroimidazo[1,2-a]pyrazin-3-amine (CAS 1289121-30-7)
- 6-Chloroimidazo[1,2-a]pyrazin-3-amine (CAS 1289151-36-5)
- 4-Chloroimidazo[1,5-a]pyrimidin-8-amine (CAS 1425040-28-3)
- 6-Chloroimidazo[1,2-a]pyrazin-8-amine (CAS 1780558-43-1)
- 6-Chloroimidazo[1,2-a]pyrimidin-3-amine (CAS 1783795-08-3)
Recommended Standards
- 7-Chlorobenzoxazol-2(3H)-one (CAS 83972-30-9)
- 8-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-7-amine (CAS 89284-31-1)
- 7-Chlorobenzo[d]isoxazol-3(2H)-one (CAS 51294-56-5)
- 8-Chloro-9H-purin-6-amine (CAS 28128-28-1)
- Thiamine Impurity 11 (CAS 1196-75-4)
- 2-(Benzyloxy)-5-bromo-4-picoline (CAS 847349-87-5)
- 3,6-Bis(5-bromothiophen-2-yl)-2,5-bis(2-octyldodecanoyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione (CAS 1397261-39-0)
- CJ-13610 (CAS 179420-17-8)
- 1-Bromo-2-naphthalenecarboxaldehyde 1-bromo-2-naphthaldehyde 3378-82-3 (CAS 3378-82-3)
- 1,5-Di-p-tolyl-1H-imidazole-2-thiol (CAS 1105188-73-5)
- 4,4’-Diamino-2,2’-dimethylbiphenyl Dihydrochloride (CAS 60410-99-3)
- 4-Bromo-5-(difluoromethyl)nicotinic acid (CAS 1806781-78-1)
- Ethyl (1R,3S)-1-((tert-butoxycarbonyl)amino)-3-hydroxycyclopentane-1-carboxylate (CAS 207729-01-9)
- Liraglutide Impurity 31 (CAS CATO-C4X-199231)
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