5-((Trimethylsilyl)ethynyl)-1H-pyrazolo[3,4-b]pyridine CAS 1207351-08-3
| CAS No. | 1207351-08-3 |
| Molecular Formula | C11H13N3Si |
| Molecular Weight | 215.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-((Trimethylsilyl)ethynyl)-1H-pyrazolo[3,4-b]pyridine (C11H13N3Si) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. 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 215.33 g/mol, it falls into the medium-molecular-weight range. 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).
5-((Trimethylsilyl)ethynyl)-1H-pyrazolo[3,4-b]pyridine (CAS 1207351-08-3) is a high-purity analytical reference standard with the molecular formula C11H13N3Si and a molecular weight of 215.33 g/mol.
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 5-((Trimethylsilyl)ethynyl)-1H-pyrazolo[3,4-b]pyridine 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 | C11H13N3Si |
| Molecular Weight | 215.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
Related Trimethylsilyl Standards
- 4-((Trimethylsilyl)ethynyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 1147014-68-3)
- 3-((Trimethylsilyl)ethynyl)imidazo[1,2-b]pyridazine (CAS 943320-60-3)
- 5-((Trimethylsilyl)ethynyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 905581-04-6)
- Methyl 2-(trimethylsilyl)thiazole-4-carboxylate (CAS 173979-04-9)
- 2-((Trimethylsilyl)ethynyl)benzo[d]oxazole (CAS 1373278-89-7)
- Ethyl 5-(trimethylsilyl)-4,5-dihydroisoxazole-3-carboxylate (CAS 139146-96-6)
- 8-((Trimethylsilyl)methyl)quinoline (CAS 105212-20-2)
- 2-Methyl-4-(trimethylsilyl)quinoline (CAS 124393-06-2)
Recommended Standards
- N-Benzyl-N-(2-cyclohex-1-en-1-ylethyl)-aminehydrochloride (CAS 118647-00-0)
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- 1185235-72-6 3-Methyl-5-[(2,6,6-trimethylcyclohex-3,3,7,7,7-d5)-1-enyl]penta-2,4-dienenitrile 3-Methyl-5-[2,6,6-trimethyl-1-(cyclohexen-d5)-1-yl]-penta-2,4-dienenitrile (CAS 1185235-72-6)
- tert-Butyl 3-[(pentan-2-yl)amino]propanoate (CAS 1221341-27-0)
- 1,5-Di(furan-2-yl)pentan-3-ol (CAS 79461-31-7)
- (3-Chloro-2-fluoro-6-methoxyphenyl)boronic acid (CAS 2468229-20-9)
- N-Nitrobenzenemethanamine (CAS 19091-99-7)
- 2-Fluoro-N-(2-fluoro-5-methylphenyl)benzamide (CAS 839688-16-3)
- 2-Chlorodibenzo[f,h]quinazoline (CAS 1632350-82-3)
- 2-Phenyl-1H-pyrrole-3-carboxylic acid (CAS 807624-15-3)
- 1-(3-Chlorophenyl)-N-(piperidin-3-ylmethyl)ethanamine hydrochloride (CAS 1185312-85-9)
- 5-(Aminomethyl)-3-cyclopropoxy-N,N-dimethylpicolinamide (CAS 1243471-66-0)
- Carnegine hydrochloride (CAS 5852-92-6)
- Erythropoietin Mimetic Peptide Sequence 20 (CAS 203397-62-0)
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