1-[2-(3-Methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl]piperidine-4-carboxylic acid CAS 1260933-41-2
| CAS No. | 1260933-41-2 |
| Molecular Formula | C19H20N4O3 |
| Molecular Weight | 352.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-[2-(3-Methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-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.
1-[2-(3-Methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl]piperidine-4-carboxylic acid (CAS 1260933-41-2) is a high-purity analytical reference standard with the molecular formula C19H20N4O3 and a molecular weight of 352.39 g/mol.
Structurally, 1-[2-(3-Methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl]piperidine-4-carboxylic acid (C19H20N4O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 352.39 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C19H20N4O3 |
| Molecular Weight | 352.39 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |
Related Methoxyphenyl Standards
- 1-(2-(4-Methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl)piperidine-4-carboxylic acid (CAS 1031557-52-4)
- 3-(4-Methoxyphenyl)-1-phenylindeno[2,3-d]pyrazol-4-one (CAS 127841-56-9)
- 2-((5,6-Bis(4-methoxyphenyl)-1,2,4-triazin-3-yl)amino)ethanol (CAS 59663-43-3)
- 4-[5-(4-methoxyphenyl)-3-phenyl-4,5-dihydro-1h-pyrazol-1-yl]-4-oxobutanoic acid (CAS 313404-87-4)
- Benzyl 4-(2-methoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 300799-33-1)
- N-(5-(4-Methoxyphenyl)-1,3,4-oxadiazol-2-yl)benzo[d]thiazole-2-carboxamide (CAS 897735-10-3)
- 3-(2-(4-Methoxyphenyl)thiazol-4-yl)benzo[d]isoxazole-5-carboxylic acid (CAS 1422138-48-4)
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Recommended Standards
- Methyl 2-((1H-pyrrolo[2,3-b]pyridin-5-yl)oxy)-4-(piperazin-1-yl)benzoate (CAS 1257044-57-7)
- 6-((5-Cyanopyrazin-2-yl)amino)-4-((piperidin-4-ylmethyl)amino)nicotinamide (CAS 1137477-34-9)
- Ethyl 4-(4-(((3-methyl-1,2,4-oxadiazol-5-yl)methyl)carbamoyl)piperidin-1-yl)-4-oxobutanoate (CAS 1334370-52-3)
- (2R,3R,4S,5R)-2-(6-Amino-9H-purin-9-yl)-5-(((3-hydrazinylpropyl)(methyl)amino)methyl)tetrahydrofuran-3,4-diol (CAS 112621-42-8)
- N-(2-Fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)butan-1-amine (CAS 2377610-92-7)
- Nomegestrol Acetate (CAS 58652-20-3)
- (1R,2R)-(-)-2-Benzyloxycyclohexyl isothiocyanate (CAS 745783-98-6)
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- 2-(tert-Butyl)-1H-imidazole-5-carboxylic acid (hydrochloride) (CAS 775350-28-2)
- (6-Cyanonaphthalen-2-yl)boronic acid (CAS 220299-56-9)
- 3,5-Dichloro-2-(difluoromethyl)pyridine (CAS 1374659-46-7)
- Calcitonin N-Terminal Flanking Peptide (human) (CAS 118277-01-3)
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