2-[3-(2,5-Dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-6-(pyridin-2-yl)pyrazolo[1,5-a]pyrimidin-7-amine CAS 685108-10-5
| CAS No. | 685108-10-5 |
| Molecular Formula | C21H18N6S |
| Molecular Weight | 386.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-[3-(2,5-Dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-6-(pyridin-2-yl)pyrazolo[1,5-a]pyrimidin-7-amine is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-[3-(2,5-Dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-6-(pyridin-2-yl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 685108-10-5), molecular formula C21H18N6S and molecular weight 386.47 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H18N6S, 2-[3-(2,5-Dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-6-(pyridin-2-yl)pyrazolo[1,5-a]pyrimidin-7-amine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 386.47 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C21H18N6S |
| Molecular Weight | 386.47 g/mol |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-(Pyridin-4-yl)-N-(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)quinoline-4-carboxamide (CAS 851206-31-0)
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- 2-((3-(4-Ethoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)hexanoic acid (CAS 852437-14-0)
- 4-[(Benzenesulfinyl)methyl]-6-phenoxy-2-phenylpyrimidine (CAS 477710-02-4)
- 12,13-Dihydro-12,13-bis(2-octyldodecyl)-3,9-diundecyldithieno[2′′,3′′:4′,5′]thieno[2′,3′:4,5]pyrrolo[3,2-e:2′,3′-g][2,1,3]benzothiadiazole-2,10-dicarboxaldehyde (CAS 2599837-57-5)
- 2-Isobutylpyrimidine-4-carboxylic acid (CAS 1339379-17-7)
- tert-Butyl spiro[indoline-3,3'-pyrrolidine]-1'-carboxylate (CAS 1251001-95-2)
- 1-(2-Pyrrolidinylmethyl)azepane dihydrochloride (CAS 1219964-19-8)
- Methyl 4-oxochromane-6-carboxylate (CAS 41118-19-8)
- Eletriptan Dimer Impurity (CAS 438226-83-6)
- 1-(4-Fluorobenzyl)-2-oxo-5-phenyl-1,2-dihydro-3-pyridinecarbonitrile (CAS 338954-59-9)
- Vericiguat Impurity 100 (CAS 1011527-86-8)
- 1'-[(2-Methylpropan-2-yl)oxycarbonyl]spiro[1,2-dihydroindene-3,4'-piperidine]-1-carboxylic acid (CAS 185526-32-3)
- Cholecystokinin Octapeptide (desulfated) (CAS 25679-24-7)
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