1-[4-(4-Methylbenzyl)-3-oxo-3,4-dihydropyrido-[2,3-b]pyrazin-2-yl]piperidine-4-carboxylic acid CAS 1242895-20-0
| CAS No. | 1242895-20-0 |
| Molecular Formula | C21H22N4O3 |
| Molecular Weight | 378.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-[4-(4-Methylbenzyl)-3-oxo-3,4-dihydropyrido-[2,3-b]pyrazin-2-yl]piperidine-4-carboxylic acid (CAS 1242895-20-0), molecular formula C21H22N4O3 and molecular weight 378.42 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 1-[4-(4-Methylbenzyl)-3-oxo-3,4-dihydropyrido-[2,3-b]pyrazin-2-yl]piperidine-4-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 378.42 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 1-[4-(4-Methylbenzyl)-3-oxo-3,4-dihydropyrido-[2,3-b]pyrazin-2-yl]piperidine-4-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C21H22N4O3 |
| Molecular Weight | 378.42 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |
Related Methylbenzyl Standards
- N-[1-(4-Methylbenzyl)-1,3-dihydro-2H-1,3-benzimidazol-2-yliden]benzenesulfonamide (CAS 860787-87-7)
- 1-[4-(4-Methylbenzyl)-3-oxo-3,4-dihydroquinoxalin-2-yl]piperidine-4-carboxylic acid (CAS 1243023-10-0)
- 2-((3-Methylbenzyl)thio)-4-(trifluoromethyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridine-3-carbonitrile (CAS 626227-40-5)
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- 1-(2-Methylbenzyl)-3-(3-(trifluoromethyl)benzyl)imidazolidine-2,4,5-trione (CAS 341966-49-2)
- 1-(4-Methylbenzyl)-1H-indole-2,3-dione 3-[N-(4-chlorophenyl)hydrazone] (CAS 303984-94-3)
- Methyl 2-((2-((4-methylbenzyl)thio)-5,6,7,8-tetrahydroquinazolin-4-yl)thio)acetate (CAS 343374-11-8)
- N-(4-methylbenzyl)-4-(4-oxo-2-thioxo-1,4-dihydrothieno[3,2-d]pyrimidin-3(2H)-yl)butanamide (CAS 688340-10-5)
Recommended Standards
- 4-Dodecyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene (CAS 1173788-58-3)
- Methyl 4-Boc-1-Cbz-2-piperazinecarboxylate (CAS 126937-42-6)
- (3R,5S)-5-(((benzyloxy)carbonyl)amino)-1-(tert-butoxycarbonyl)piperidine-3-carboxylic acid (CAS 1145747-62-1)
- 4-Benzyl 1-tert-butyl 2-methyl piperazine-1,2,4-tricarboxylate (CAS 129799-14-0)
- 5-((8-(3-Fluorophenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl)amino)-3,3-dimethylisoindolin-1-one (CAS 1202619-60-0)
- tert-Butyl 3-(3-methylpyridin-2-yl)benzoate (CAS 1083057-12-8)
- Methyl 4-[2-(4-chloro-2-methylphenoxy)-2,2-difluoroacetamido]benzoate (CAS 339030-58-9)
- 1-Fluoro-3-nitro-2-(trifluoromethyl)benzene (CAS 1214342-08-1)
- 1-(2-(1H-indol-3-yl)ethyl)-3-(o-tolyl)thiourea (CAS 431066-73-8)
- 1-(4-Nitrophenyl)cyclopropanecarboxamide (CAS 858423-29-7)
- Tert-butyl (3-(hydroxymethyl)-4,5,6,7-tetrahydro-[1,2,3]triazolo[1,5-a]pyridin-6-yl)carbamate (CAS 2139226-14-3)
- 6-Bromo-5-chloro-3-methyl-1h-indole (CAS 1864072-31-0)
- Empagliflozin Impurity 17 (CAS CATO-C4X-106517)
- Tirzepatide Impurity 22 X TFA Salt (CAS CATO-C4X-324022)
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