1-Methyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxylic acid CAS 724738-59-4
| CAS No. | 724738-59-4 |
| Molecular Formula | C12H9N3O3 |
| Molecular Weight | 243.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Methyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxylic acid (C12H9N3O3) contains an amino-acid-derived structure, an amide 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.
1-Methyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxylic acid (CAS 724738-59-4), molecular formula C12H9N3O3 and molecular weight 243.22 g/mol, is a CATO reference standard with documented purity and traceability.
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 1-Methyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxylic acid 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 | C12H9N3O3 |
| Molecular Weight | 243.22 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 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 1-(5-Phenyl-1H-1,2,4-triazol-3-yl)pyrazolidine-3,5-dione (CAS 63011-84-7)
- 2-((1H-Imidazol-2-yl)methoxy)isoindoline-1,3-dione (CAS 78667-05-7)
- 1-(4-Methoxyphenyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile (CAS 75837-81-9)
- 2-((1-Isopropyl-4-nitro-2-oxo-2,5-dihydro-1H-pyrrol-3-yl)amino)acetic acid (CAS 88767-04-8)
- 5-Bromo-1-cyclopropyl-1H-pyrazole (CAS 1517978-30-1)
- Vilazodone Hydrochloride (CAS 163521-08-2)
- (S)-4-Thioxohexahydropyrrolo[1,2-a]pyrazin-1(2H)-one (CAS 167391-75-5)
- 7-(1-(4-Chlorophenoxy)ethyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 338394-72-2)
- 1-(O-tolyloxy)cyclopropane-1-carboxylic acid (CAS 1399658-24-2)
- n-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-(1h-imidazol-1-yl)propan-1-amine (CAS 163923-52-2)
- (2-(Methylthio)benzyl)hydrazine (CAS 1499502-59-8)
- N-(3-Methoxybenzyl)-1-propyl-1H-pyrazol-3-amine hydrochloride (CAS 1856041-57-0)
- 4-ACetoxy-2,3,5,6-tetrafluorobenzoic acid methyl ester (CAS 786-52-7)
- D-β-Asp9-Tirzepatide (CAS CATO-CPTD788932)
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