1,3,5-Trimethyl-2,4-dioxo-1h,2h,3h,4h-pyrido[2,3-d]pyrimidine-7-carboxylic acid CAS 901864-90-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 901864-90-2 |
| Molecular Formula | C11H11N3O4 |
| Molecular Weight | 249.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3,5-Trimethyl-2,4-dioxo-1h,2h,3h,4h-pyrido[2,3-d]pyrimidine-7-carboxylic acid (CAS 901864-90-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H11N3O4. Molecular weight: 249.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H11N3O4 |
| Molecular Weight | 249.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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.) | 1987 |
| Nitrogen Atoms | 3 |
Related Trimethyl Standards
- 1,3,5-Trimethyl-2,4-dioxo-1h,2h,3h,4h-pyrido[2,3-d]pyrimidine-6-carboxylic acid (CAS 1042605-05-9)
- 1,3,7-Trimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-5-carboxylic acid (CAS 115893-52-2)
- 3-{2,3,4-trimethyl-6-oxo-2h,6h,7h-pyrazolo[3,4-b]pyridin-7-yl}propanoic acid (CAS 1018126-46-9)
- 3-{1,3,4-trimethyl-6-oxo-1h,6h,7h-pyrazolo[3,4-b]pyridin-5-yl}propanoic acid (CAS 1049605-66-4)
- 5-Methyl-4-[(3,4,5-trimethyl-1H-pyrazol-1-yl)-methyl]isoxazole-3-carboxylic acid (CAS 1171201-11-8)
- 3-{2,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridin-5-yl}propanoic acid (CAS 1258641-48-3)
- Ethyl 1,3,5-trimethyl-4-oxo-4,5-dihydro-1H-pyrrolo[2,3-d]pyridazine-2-carboxylate (CAS 150582-32-4)
- Ethyl 2,3,6-trimethyl-4-oxo-4,5-dihydro-3H-pyrrolo[3,2-d]pyrimidine-7-carboxylate (CAS 51618-13-4)
Recommended Standards
- 1-(4-Methoxy-3-methyl-2-nitrobenzofuran-7-yl)ethanone (CAS 53724-99-5)
- 1-Isopropyl-3-(5-nitrofuran-2-yl)-1H-pyrazole-4-carbaldehyde (CAS 61619-66-7)
- 1-(4-Carboxyphenyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 40306-01-2)
- (3-Chloro-5-fluoropyridin-4-yl)methanamine (CAS 1256824-44-8)
- 5-Bromo-2-(5-bromomethyl-isoxazol-3-yl)-pyridine (CAS 1231244-42-0)
- Pregnenolone-3-isobutyrate (CAS CATO-C4X-21917)
- Ethyl 1-(4-chlorophenyl)-4-pentyl-1H-pyrazole-3-carboxylate (CAS 93722-69-1)
- 6-(4-Fluorobenzyl)-3-(morpholinoamino)-1,2,4-triazin-5(4H)-one (CAS 881438-04-6)
- Avibactam Impurity 38 (CAS 2381511-26-6)
- Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 75976-10-2)
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