2-Methyl-4-(methylsulfonyl)pyrido[2,3-d]pyrimidin-7(8H)-one CAS 2803930-60-9
| CAS No. | 2803930-60-9 |
| Molecular Formula | C9H9N3O3S |
| Molecular Weight | 239.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methyl-4-(methylsulfonyl)pyrido[2,3-d]pyrimidin-7(8H)-one (CAS 2803930-60-9), molecular formula C9H9N3O3S and molecular weight 239.25 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H9N3O3S, 2-Methyl-4-(methylsulfonyl)pyrido[2,3-d]pyrimidin-7(8H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 239.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 2-Methyl-4-(methylsulfonyl)pyrido[2,3-d]pyrimidin-7(8H)-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 | C9H9N3O3S |
| Molecular Weight | 239.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methyl Standards
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Recommended Standards
- 2-Fluoro-6-(3-phenyl-1H-pyrazol-1-yl)pyridine (CAS 318284-42-3)
- 3-((2-Amino-1H-purin-6-yl)thio)propanoic acid (CAS 93919-44-9)
- 2-Cyano-N-(4-sulfamoylphenyl)acetamide (CAS 32933-40-7)
- 3-((6-Amino-7H-purin-8-yl)thio)propanoic acid (CAS 304444-49-3)
- tert-Butyl (2-chloro-5-(hydroxymethyl)-4-iodophenyl)carbamate (CAS 2235412-27-6)
- N-Isopentyl-7H-purin-6-amine (CAS 14671-28-4)
- 3-(4-Fluorophenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine hydrochloride (CAS 733757-82-9)
- tert-Butyl 4-(bromomethyl)-3-methoxybenzoate (CAS 104436-91-1)
- 2-(Difluoromethoxy)naphthalene-3-carboxaldehyde (CAS 1261675-95-9)
- Fenoterol Impurity 6 (CAS CATO-C4X-20776)
- Thieno[2,3-c]pyridine-4-sulfonyl chloride (CAS 1936220-93-7)
- 3-(Azetidin-3-yl)aniline dihydrochloride (CAS 1203684-83-6)
- 2-Benzylhexahydrocyclopenta[c]pyrrol-4(1H)-one (CAS 185692-51-7)
- Des-Pro36-37-Tirzepatide (CAS CATO-CPTD788938)
Why CATO?
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