1-(5,7-Dimethylpyrazolo[1,5-a]pyrimidin-3-yl)ethan-1-one CAS 43024-28-8
| CAS No. | 43024-28-8 |
| Molecular Formula | C10H11N3O |
| Molecular Weight | 189.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(5,7-Dimethylpyrazolo[1,5-a]pyrimidin-3-yl)ethan-1-one (CAS 43024-28-8), a certified reference material (molecular formula C10H11N3O, MW 189.21 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H11N3O, 1-(5,7-Dimethylpyrazolo[1,5-a]pyrimidin-3-yl)ethan-1-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 189.21 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.
CATO manufactures 1-(5,7-Dimethylpyrazolo[1,5-a]pyrimidin-3-yl)ethan-1-one 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 | C10H11N3O |
| Molecular Weight | 189.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
| Nitrogen Atoms | 3 |
Related Dimethylpyrazolo Standards
- 1-(2,7-Dimethylpyrazolo[1,5-a]pyrimidin-6-yl)ethanone (CAS 130506-85-3)
- 1-{4,6-dimethylpyrazolo[1,5-a]pyrazin-2-yl}ethanone (CAS 1934519-58-0)
- 1-(2,4-Dimethylpyrazolo[1,5-a]pyridin-3-yl)ethanone (CAS 50847-16-0)
- 4,6-Dimethylpyrazolo[1,5-a]pyridine-3-carboxylic acid (CAS 1167055-31-3)
- 2,6-Dimethylpyrazolo[1,5-a]pyridine-3-carboxylic acid (CAS 1227270-83-8)
- 2,7-Dimethylpyrazolo[1,5-a]pyridine-3-carboxylic acid (CAS 143803-85-4)
- 1-(4,7-Dimethylpyrazolo[5,1-c][1,2,4]triazin-3-yl)ethanone (CAS 175137-64-1)
- 5,7-Dimethylpyrazolo[1,5-a]pyridine-3-carboxylic acid (CAS 99446-43-2)
Recommended Standards
- 1-(4-Methoxyphenyl)-1H-pyrazol-4-amine (CAS 90840-04-3)
- 1-(5-Hydroxy-2-methyl-1h-indol-3-yl)ethan-1-one (CAS 57827-05-1)
- 1-(4-Methoxyphenyl)-1h-pyrazol-3-amine (CAS 76091-01-5)
- 1-(5-Methoxy-1H-indol-2-yl)ethanone (CAS 89671-85-2)
- N-(Chloroacetyl)3-amino-4-chlorobenzotrifluoride (CAS 328-26-7)
- 1-(Piperidin-2-yl)ethan-1-one hydrochloride (CAS 106318-66-5)
- 2-(2-Bromoacetyl)-6,7-dimethylbenzofuran-5-yl acetate (CAS 581807-34-3)
- N-(4-(Dimethylamino)-2-ethoxypyrimidin-5-yl)thiophene-2-sulfonamide (CAS 1795415-91-6)
- 1-(1-Morpholino-1-(thiophen-2-yl)propan-2-yl)-3-(o-tolyl)thiourea (CAS 863017-47-4)
- 6-Fluoro-4-phenylcinnoline (CAS 90142-06-6)
- 4-(Ethoxycarbonyl)-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-8-carboxylic acid (CAS 935279-95-1)
- 3-Iodo-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one (CAS 142189-88-6)
- 7-(Trifluoromethyl)pyrido[3,2-d]pyrimidine-2,4-diamine (CAS 338407-52-6)
- endo-Ser39-Tirzepatide (CAS CATO-CPTD788935)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com