| CAS No. | 934178-97-9 |
| Molecular Formula | C19H22BN3O4S |
| Molecular Weight | 399.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
7-Tosyl-7H-pyrrolo[2,3-d]pyrimidine-5-boronic Acid Pinacol Ester (CAS 934178-97-9), molecular formula C19H22BN3O4S and molecular weight 399.27 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H22BN3O4S, 7-Tosyl-7H-pyrrolo[2,3-d]pyrimidine-5-boronic Acid Pinacol Ester contains a flavonoid 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 399.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
CATO manufactures 7-Tosyl-7H-pyrrolo[2,3-d]pyrimidine-5-boronic Acid Pinacol Ester 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.
| Molecular Formula | C19H22BN3O4S |
| Molecular Weight | 399.27 g/mol |
| 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) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |