5-((Trimethylsilyl)ethynyl)-7H-pyrrolo[2,3-d]pyrimidine CAS 905581-04-6
| CAS No. | 905581-04-6 |
| Molecular Formula | C11H13N3Si |
| Molecular Weight | 215.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H13N3Si, 5-((Trimethylsilyl)ethynyl)-7H-pyrrolo[2,3-d]pyrimidine contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 215.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
5-((Trimethylsilyl)ethynyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 905581-04-6) 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)-7H-pyrrolo[2,3-d]pyrimidine 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.) | 1987 |
| Nitrogen Atoms | 3 |
Related Trimethylsilyl Standards
- 4-((Trimethylsilyl)ethynyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 1147014-68-3)
- 5-((Trimethylsilyl)ethynyl)-1H-pyrazolo[3,4-b]pyridine (CAS 1207351-08-3)
- 3-((Trimethylsilyl)ethynyl)imidazo[1,2-b]pyridazine (CAS 943320-60-3)
- 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
- 4-n-Octylbenzonitrile (CAS 60484-68-6)
- 5-Cyclopropyl-2,2-dimethyl-3-phenylpyrrolidine (CAS 782392-43-2)
- 4-Ethyl-1,2,3,4,4a,5,6,10b-octahydrobenzo[f]quinoline (CAS 690617-47-1)
- Ethyl 3-aminodecanoate (CAS 854825-19-7)
- 4-Chloro-N-ethyl-1,3,5-triazin-2-amine (CAS 82623-63-0)
- tert-Butyl 4-[5-(2,4-dichlorophenyl)-1H-pyrazol-3-yl]piperidine-1-carboxylate (CAS 1024014-25-2)
- 2-Methyl-4-(pyrrolidin-1-yl)aniline (CAS 143525-69-3)
- 3-(2-Methylthiazol-5-yl)prop-2-en-1-ol (CAS 1563677-54-2)
- N-BEnzyl-5-bromo-2-fluorobenzamide (CAS 1017090-56-0)
- 4-{3-chloro-5,7-dimethylpyrazolo[1,5-a]pyrimidin-2-yl}-1-methyl-5-(trifluoromethyl)-1H-pyrazole (CAS 956370-70-0)
- 3-Methoxy-8-methyl-2-phenylimidazo[1,2-a]pyridine (CAS 89193-00-0)
- (S)-4-Phenyl-3-(p-tolyl)oxazolidin-2-one (CAS 572923-05-8)
- 3,5-Dichloro-1-phenylpyrazin-2(1H)-one (CAS 87486-37-1)
- Tirzepatide Impurity 34 (CAS CATO-C4X-324034)
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