8-Chloro-6-pentadecylimidazo[1,5-a]pyrimidin-2(1H)-one CAS 143915-64-4
| CAS No. | 143915-64-4 |
| Molecular Formula | C21H34ClN3O |
| Molecular Weight | 379.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 8-Chloro-6-pentadecylimidazo[1,5-a]pyrimidin-2(1H)-one (CAS 143915-64-4), a certified reference material (molecular formula C21H34ClN3O, MW 379.97 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H34ClN3O, 8-Chloro-6-pentadecylimidazo[1,5-a]pyrimidin-2(1H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 379.97 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 8-Chloro-6-pentadecylimidazo[1,5-a]pyrimidin-2(1H)-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 | C21H34ClN3O |
| Molecular Weight | 379.97 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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.) | 1998 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 8-Chloro-6-pentadecylimidazo[1,5-a]pyrimidin-4(1H)-one (CAS 143915-83-7)
- 1-Chloro-N-[4-(propan-2-yl)phenyl]naphtho[2,1-b]thiophene-2-carboxamide (CAS 866040-28-0)
- 2-Chloro-5-(4-(methylsulfonyl)phenyl)-N-(piperidin-4-ylmethyl)pyridin-4-amine (CAS 2208654-76-4)
- 3-(7-Chloro-1-(methylthio)-5-oxo-[1,2,4]triazolo[4,3-a]quinazolin-4(5H)-yl)-N-isopropylpropanamide (CAS 1115967-07-1)
- (5E)-5-({3-chloro-4-[(4-fluorophenyl)methoxy]phenyl}methylidene)-2-sulfanylidene-1,3-thiazolidin-4-one (CAS 297150-44-8)
- 2-(4-Chloro-2-methylphenoxy)-N-{[(4-methoxyphenyl)carbamothioyl]amino}acetamide (CAS 893328-15-9)
- 2-Chloro-N-(5-((3-fluorobenzyl)thio)-1,3,4-thiadiazol-2-yl)benzamide (CAS 392303-40-1)
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Recommended Standards
- 2,4-Diiodo-6-formylphenol 2-hydroxy-3,5-diiodobenzaldehyde 2631-77-8 3,5-Diiodosalicylaldehyde (CAS 2631-77-8)
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- 1-(3-Bromo-5-iodophenyl)pyrrolidine-2,5-dione (CAS 113817-06-4)
- 2,6-Diiodonaphthalene (CAS 36316-88-8)
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- Flamprop-M-Methyl (CAS 63729-98-6)
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- 4-Benzyl-5-((o-tolylthio)methyl)-4H-1,2,4-triazole-3-thiol (CAS 650593-67-2)
- Cyclopeptide-5 (CAS 197172-76-2)
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