7-chloropyrido[1,2-a]pyrimidin-4-one CAS 517895-69-1
| CAS No. | 517895-69-1 |
| Molecular Formula | C8H13ClN2O |
| Molecular Weight | 188.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-chloropyrido[1,2-a]pyrimidin-4-one (CAS 517895-69-1) is a high-purity analytical reference standard with the molecular formula C8H13ClN2O and a molecular weight of 188.65 g/mol.
Based on its molecular formula C8H13ClN2O, 7-chloropyrido[1,2-a]pyrimidin-4-one contains 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 188.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-chloropyrido[1,2-a]pyrimidin-4-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 | C8H13ClN2O |
| Molecular Weight | 188.65 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related chloropyrido Standards
- 4-Chloropyrido[3,2-d]pyrimidine-7-carbonitrile (CAS 1600513-21-0)
- 6-chloropyrido[3,4-d]pyrimidin-4-amine (CAS 1289187-97-8)
- 6-chloropyrido[3,4-d]pyrimidin-4-ol (CAS 171178-47-5)
- 6-Chloropyrido[3,2-d]pyrimidine-2,4-diamine (CAS 93684-07-2)
- 6-Chloropyrido[2,3-b]pyrazin-3(4H)-one (CAS 1350925-21-1)
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- 4-Chloropyrido[2,3-d]pyridazin-5(6H)-one (CAS 1433204-20-6)
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Recommended Standards
- 7-chloroimidazo[1,5-a]pyridine-5-carbaldehyde (CAS 2021235-95-8)
- 8-chloro-1,2-dihydroquinazolin-2-one (CAS 60610-15-3)
- 7-chloro-1,2-dihydroquinazolin-2-one (CAS 60610-14-2)
- 8-chloroimidazo[1,2-a]pyridine-2-carbaldehyde (CAS 885276-03-9)
- 4-(2,2,2-Trifluoroethoxy)picolinimidamide hydrochloride (CAS 1179359-94-4)
- 4-Nitro-4-aminodiphenyl Sulfone (CAS 1948-92-1)
- 6-Fluoro-3-methoxy-2-nitrobenzaldehyde (CAS 1546562-72-4)
- Tert-butyl (s)-(1-(pyrimidin-2-yl)pyrrolidin-3-yl)carbamate (CAS 1421019-15-9)
- 2-((4-Fluorophenyl)carbamoyl)benzoic acid (CAS 19336-77-7)
- 3-(3-Chlorobut-3-en-1-yl)benzonitrile (CAS 731772-70-6)
- 1,1'-[(1,1-Dimethylethyl)[[(1S)-1-methyl-2-propyn-1-yl]oxy]silylene]bis[benzene] (CAS 603045-12-1)
- 2-((4-(4-Bromophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-1-(4-ethoxyphenyl)ethanone (CAS 477333-11-2)
- Ethyl 2-((2-phenyl-1H-benzo[d]imidazol-1-yl)oxy)acetate (CAS 339104-28-8)
- Peptide 442 (CAS CATO-CPTD788442)
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