Ethyl 2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate CAS 34711-92-7
| CAS No. | 34711-92-7 |
| Molecular Formula | C11H11N3O3S |
| Molecular Weight | 265.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Ethyl 2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate (CAS 34711-92-7), molecular formula C11H11N3O3S and molecular weight 265.29 g/mol, is a CATO reference standard with documented purity and traceability.
Ethyl 2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate (C11H11N3O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 Ethyl 2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate 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 | C11H11N3O3S |
| Molecular Weight | 265.29 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Ethyl 2-((4-oxo-4H-pyrido[1,2-a][1,3,5]triazin-2-yl)thio)acetate (CAS 303145-14-4)
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- 7-Amino-2,3-dimethyl-5-(methylsulfonyl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile (CAS 2798825-80-4)
- Methyl 3-(2-methylfuran-3-carboxamido)thiophene-2-carboxylate (CAS 293327-12-5)
- 3-[(4-Iodophenyl)amino]-2-phenyl-1H-inden-1-one (CAS 22009-03-6)
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- 1-(1-(Azetidin-1-yl)-2-methylpropan-2-yl)-1H-pyrazole-3-sulfonamide (CAS 2283303-87-5)
- Fmoc-(R)-3-amino-4-(3-methylphenyl)butyric acid (CAS 269398-84-7)
- 1-(3,4-Dimethoxyphenyl)dodecan-1-one (CAS 96966-45-9)
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- 3-ethyl-3-ethynyloxetane (CAS 1416323-31-3)
- methyl 3-aminothietane-3-carboxylate (CAS 1001426-63-6)
- Palmitoyl hexapeptide-6 (CAS 891498-01-4)
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