6-Amino-3-methyl-4-(pyridin-4-yl)-1-(p-tolyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile CAS 340812-72-8
| CAS No. | 340812-72-8 |
| Molecular Formula | C20H17N5O |
| Molecular Weight | 343.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 343.38 g/mol gives 6-Amino-3-methyl-4-(pyridin-4-yl)-1-(p-tolyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
6-Amino-3-methyl-4-(pyridin-4-yl)-1-(p-tolyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile (CAS 340812-72-8), molecular formula C20H17N5O and molecular weight 343.38 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H17N5O, 6-Amino-3-methyl-4-(pyridin-4-yl)-1-(p-tolyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 343.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 6-Amino-3-methyl-4-(pyridin-4-yl)-1-(p-tolyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile 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 | C20H17N5O |
| Molecular Weight | 343.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
Related Amino Standards
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Recommended Standards
- 6-[2-(2,6-Dimethylmorpholin-4-yl)-2-oxoethoxy]-2-phenyl-2,3-dihydropyridazin-3-one (CAS 439111-72-5)
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- 5,7-Diphenyl-pyrazolo[1,5-α]pyrimidine-3-carboxylic Acid Ethyl Ester (CAS 895764-31-5)
- Ethyl 1-[4-nitro-2-(1H-pyrrol-1-yl)-phenyl]piperidine-4-carboxylate (CAS 1992986-10-3)
- 1,4,6,7,8-Pentachlorodibenzofuran (CAS 83704-35-2)
- 2′-Deoxycytidine 5′-monophosphate sodium salt (CAS 13085-50-2)
- N-(2,2-Dimethoxyethyl)-1-(5-methylisoxazole-3-carbonyl)azetidine-3-carboxamide (CAS 1351619-33-4)
- (S)-6-Methylheptan-2-ol (CAS 87247-19-6)
- 6-Bromo-2-fluoro-3-methoxybenzoic acid (CAS 935534-45-5)
- 3-(Methyl(pentan-3-yl)amino)propanoic acid hydrochloride (CAS 2375259-24-6)
- 2-Methoxy-6(5H)-phenanthridinone (CAS 38088-96-9)
- 1-(4-Methoxybenzyl)-3-phenyl-1h-pyrazole-5-carboxylic acid (CAS 187344-22-5)
- 4-Bromomethyl-2-(4-chlorophenyl)-5-methylthiazole (CAS 113264-72-5)
- Tirzepatide Impurity 17 (CAS CATO-C4X-324017)
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