3-{2-[3-(2,5-dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-7-methylpyrazolo[1,5-a]pyrimidine-6-amido}thiophene-2-carboxylic acid CAS 691868-65-2
| CAS No. | 691868-65-2 |
| Molecular Formula | C23H19N5O3S2 |
| Molecular Weight | 477.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 477.56 g/mol gives 3-{2-[3-(2,5-dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-7-methylpyrazolo[1,5-a]pyrimidine-6-amido}thiophene-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-{2-[3-(2,5-dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-7-methylpyrazolo[1,5-a]pyrimidine-6-amido}thiophene-2-carboxylic acid (CAS 691868-65-2), molecular formula C23H19N5O3S2 and molecular weight 477.56 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C23H19N5O3S2, 3-{2-[3-(2,5-dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-7-methylpyrazolo[1,5-a]pyrimidine-6-amido}thiophene-2-carboxylic acid contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 477.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-{2-[3-(2,5-dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-7-methylpyrazolo[1,5-a]pyrimidine-6-amido}thiophene-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 | C23H19N5O3S2 |
| Molecular Weight | 477.56 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
Related dimethyl Standards
- 2-(7,7-Dimethyl-1-oxo-1,3,4,6,7,8-hexahydro-2H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-2-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl acetate (CAS 1346676-30-9)
- Dimethyl 2,2'-(naphthalene-1,4-diyl)bis(benzo[d]oxazole-5-carboxylate) (CAS 24302-35-0)
- 9,9-Dimethyl-N2,N7-di(naphthalen-1-yl)-9H-fluorene-2,7-diamine (CAS 1353720-36-1)
- 2,4-Dimethyl 3-{2-[4-(3,4-dichlorophenyl)piperazin-1-yl]acetyl}-1,3-thiazolidine-2,4-dicarboxylate (CAS 339012-82-7)
- Dimethyl 2-(2-nitro-4-(trifluoromethyl)phenyl)-2-(3-(trifluoromethyl)benzyl)malonate (CAS 865658-14-6)
- (2-(7,7-Dimethyl-1-oxo-1,3,4,6,7,8-hexahydro-2H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)methyl acetate (CAS 1899834-77-5)
- {5-[1,3-Dimethyl-5-(trifluoromethyl)-1,3-dihydro-2H-benzimidazol-2-ylidene]-4-oxo-2-thioxo-1,3-thiazolidin-3-yl}(phenyl)acetic acid (CAS 84696-96-8)
- 2,2-Dimethyl-4-oxo-3,8,11,16-tetraoxa-5-azaoctadecan-18-yl 4-methylbenzenesulfonate (CAS 2681390-45-2)
Recommended Standards
- 3-(4-(3-Isopropoxypropyl)-5-oxo-4,5-dihydro-[1,2,4]triazolo[4,3-a]quinazolin-1-yl)-N-(4-methoxybenzyl)propanamide (CAS 902933-03-3)
- RPL 554 (CAS 298680-25-8)
- 3-(4-(3-Isopropoxypropyl)-5-oxo-4,5-dihydro-[1,2,4]triazolo[4,3-a]quinazolin-1-yl)-N-(3-methoxybenzyl)propanamide (CAS 902934-09-2)
- Palbociclib Impurity 154 (CAS CATO-C4X-1125154)
- N,N-Diethyl-4-methyl-3-nitroaniline (CAS 810662-45-4)
- 2-(2-(Benzyloxy)ethoxy)pyridin-3-amine (CAS 1820665-93-7)
- 2-(2-(Pentan-3-ylthio)thiazol-4-yl)acetic acid (CAS 1524770-32-8)
- 2-Bromo-1-chloro-5-fluoro-3-nitrobenzene (CAS 1807121-17-0)
- 1-Butoxy-2,3,4-trifluorobenzene (CAS 1208078-33-4)
- Ethyl 4,6-dibromopicolinate (CAS 1806348-02-6)
- 3-Bromo-1H-pyrrolo[2,3-c]pyridine hydrobromide (CAS 67058-79-1)
- 2-((Tetrahydrofuran-2-yl)methoxy)benzoic acid (CAS 877977-31-6)
- 202326-56-5 (3-~13~C)Aspartic acid DTXSID60583940 (CAS 202326-56-5)
- Semaglutide impurity 268 (CAS CATO-C4X-2226268)
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