2-[3-(2,5-Dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-5-(methanesulfonylmethyl)pyrazolo[1,5-a]pyrimidin-7-ol CAS 691872-99-8
| CAS No. | 691872-99-8 |
| Molecular Formula | C18H18N4O3S2 |
| Molecular Weight | 402.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-[3-(2,5-Dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-5-(methanesulfonylmethyl)pyrazolo[1,5-a]pyrimidin-7-ol 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.
2-[3-(2,5-Dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-5-(methanesulfonylmethyl)pyrazolo[1,5-a]pyrimidin-7-ol (CAS 691872-99-8) is a high-purity analytical reference standard with the molecular formula C18H18N4O3S2 and a molecular weight of 402.49 g/mol.
The molecular framework of 2-[3-(2,5-Dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-5-(methanesulfonylmethyl)pyrazolo[1,5-a]pyrimidin-7-ol (C18H18N4O3S2) is characterized by a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H18N4O3S2 |
| Molecular Weight | 402.49 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- 3-(4-Cyanophenyl)pentanedioic acid (CAS 952415-62-2)
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- 2-(1,2-dimethyl-1H-imidazole-4-sulfonamido)acetic acid (CAS 1235439-62-9)
- 1-(4-Iodo-5-methoxy-2-nitrophenyl)-2,2-dimethylpropan-1-ol (CAS 1427311-72-5)
- 4-(aminomethyl)-6-methyl-1,2-dihydropyridin-2-one dihydrochloride (CAS 1909310-08-2)
- MEGA-8 (CAS 85316-98-9)
- 3,3-dimethylpentan-2-amine hydrochloride (CAS 1955553-45-3)
- (R)-3-(4-Bromophenoxy)pyrrolidine hydrochloride (CAS 1187932-38-2)
- (S)-N-Cyclobutyl-N-(2,3-dichlorobenzyl)pyrrolidin-3-amine (CAS 820980-48-1)
- Liraglutide Impurity 30 (CAS CATO-C4X-199230)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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