3-(5-Bromo-3-methyl-1H-pyrazolo[3,4-b]pyridin-1-yl)tetrahydrothiophene 1,1-dioxide CAS 1016857-76-3
| CAS No. | 1016857-76-3 |
| Molecular Formula | C11H12BrN3O2S |
| Molecular Weight | 330.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-(5-Bromo-3-methyl-1H-pyrazolo[3,4-b]pyridin-1-yl)tetrahydrothiophene 1,1-dioxide (CAS 1016857-76-3) is a high-purity analytical reference standard with the molecular formula C11H12BrN3O2S and a molecular weight of 330.20 g/mol.
Structurally, 3-(5-Bromo-3-methyl-1H-pyrazolo[3,4-b]pyridin-1-yl)tetrahydrothiophene 1,1-dioxide (C11H12BrN3O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 330.20 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 3-(5-Bromo-3-methyl-1H-pyrazolo[3,4-b]pyridin-1-yl)tetrahydrothiophene 1,1-dioxide 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 | C11H12BrN3O2S |
| Molecular Weight | 330.20 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- tert-Butyl (5-bromothiazolo[5,4-b]pyridin-2-yl)carbamate (CAS 1067877-78-4)
- Tert-butyl 6-bromo-4-fluoro-3,4-dihydroquinoline-1(2H)-carboxylate (CAS 2387596-26-9)
- N-(2-Cyanopyrimidin-5-yl)formamide (CAS 56621-88-6)
- 4-(2-Chloro-4-methylphenyl)-3-fluorobenzoic acid (CAS 1262008-90-1)
- 2-Amino-6-chloroquinazoline (CAS 20028-71-1)
- (2,4-Dimethoxyphenyl)(6-methylpyridin-2-yl)methanone (CAS 1187163-23-0)
- 4-Fluoro-3-methoxybenzaldehyde (CAS 128495-46-5)
- 1-({4-[(2E)-3-phenylprop-2-en-1-yl]piperazin-1-yl}methyl)-1H-1,2,3-benzotriazole (CAS 329058-99-3)
- 5-(4-(3-Bromo-4-methylphenyl)-2-methoxypyrimidin-5-yl)-3-methylisoxazole (CAS 1233025-41-6)
- Travoprost Impurity 27 (CAS CATO-C4X-192527)
- 5-Chloro-3-cyclopropyl-1H-1,2,4-triazole (CAS 1279219-26-9)
- Semaglutide Impurity 6 (CAS 62-57-7)
Why CATO?
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