tert-Butyl 2-methyl-4-oxo-4,5,6,8-tetrahydropyrido[3,4-d]pyrimidine-7(3H)-carboxylate CAS 338739-89-2
| CAS No. | 338739-89-2 |
| Molecular Formula | C13H19N3O3 |
| Molecular Weight | 265.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, tert-Butyl 2-methyl-4-oxo-4,5,6,8-tetrahydropyrido[3,4-d]pyrimidine-7(3H)-carboxylate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 265.31 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
tert-Butyl 2-methyl-4-oxo-4,5,6,8-tetrahydropyrido[3,4-d]pyrimidine-7(3H)-carboxylate (CAS 338739-89-2) is a high-purity analytical reference standard with the molecular formula C13H19N3O3 and a molecular weight of 265.31 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures tert-Butyl 2-methyl-4-oxo-4,5,6,8-tetrahydropyrido[3,4-d]pyrimidine-7(3H)-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 | C13H19N3O3 |
| Molecular Weight | 265.31 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Recommended Standards
- tert-Butyl 2-methoxy-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate (CAS 900156-22-1)
- Tert-butyl 3-(hydroxy(pyrimidin-2-yl)methyl)azetidine-1-carboxylate (CAS 2408666-28-2)
- Tert-butyl (4-(n'-hydroxycarbamimidoyl)benzyl)carbamate (CAS 220648-78-2)
- tert-Butyl 3-(Pyrimidin-2-yloxy)pyrrolidine-1-carboxylate (CAS 950648-94-9)
- trans-Chalcone (CAS 614-47-1)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com