Diethyl 4-bromo-7-methoxy-1-tosyl-1H-pyrrolo[2,3-c]pyridine-2,3-dicarboxylate CAS 1956366-17-8
| CAS No. | 1956366-17-8 |
| Molecular Formula | C21H21BrN2O7S |
| Molecular Weight | 525.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C21H21BrN2O7S, Diethyl 4-bromo-7-methoxy-1-tosyl-1H-pyrrolo[2,3-c]pyridine-2,3-dicarboxylate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 525.37 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.
Diethyl 4-bromo-7-methoxy-1-tosyl-1H-pyrrolo[2,3-c]pyridine-2,3-dicarboxylate (CAS 1956366-17-8), molecular formula C21H21BrN2O7S and molecular weight 525.37 g/mol, is a CATO reference standard with documented purity and traceability.
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 Diethyl 4-bromo-7-methoxy-1-tosyl-1H-pyrrolo[2,3-c]pyridine-2,3-dicarboxylate 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 | C21H21BrN2O7S |
| Molecular Weight | 525.37 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2,3,5-Tri-O-benzoyl-α-D-arabinosyl bromide (CAS 4348-68-9)
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- BAY-598, >98% (HPLC) (CAS 1906919-67-2)
- 5-Ethylbicyclo(2.2.1)-2-heptene (CAS 15403-89-1)
- 3-Iodo-1H,1H,2H,2H,3H,4H,4H-perfluorodecan-1-ol (CAS 16083-68-4)
- 6-amino-3H,4H-pyrrolo[2,1-f][1,2,4]triazin-4-one hydrochloride (CAS 1624260-71-4)
- Methyl 3,6-dibromo-2,4-difluorophenylacetate (CAS 1803783-49-4)
- (1-Cyclohexyl-1H-pyrazol-4-yl)boronic acid (CAS 2225155-52-0)
- 1,2-Dihydrofuro[3,2-f][1,7]naphthyridin-5-amine (CAS 173540-64-2)
- Tert-butyl 2,4-dimethylpiperidine-1-carboxylate (CAS 123387-62-2)
- Siponimod impurity 25 (CAS 800380-45-4)
- (((2R,3S,4R,5R)-5-(6-Amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl phosphoric) sulfuric anhydride (CAS 485-84-7)
- 3-Cyclopropyl-1-(mesitylsulfonyl)-1H-pyrazole (CAS 956393-76-3)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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