4-((Trimethylsilyl)ethynyl)thiophene-2-carbaldehyde CAS 859809-18-0
| CAS No. | 859809-18-0 |
| Molecular Formula | C10H12OSSi |
| Molecular Weight | 208.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-((Trimethylsilyl)ethynyl)thiophene-2-carbaldehyde (CAS 859809-18-0), a certified reference material (molecular formula C10H12OSSi, MW 208.35 g/mol) for analytical method development and quality control.
Structurally, 4-((Trimethylsilyl)ethynyl)thiophene-2-carbaldehyde (C10H12OSSi) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 208.35 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C10H12OSSi |
| Molecular Weight | 208.35 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
Related Trimethylsilyl Standards
- 3-((Trimethylsilyl)ethynyl)thiophene-2-carbaldehyde (CAS 152874-20-9)
- 5-[2-(Trimethylsilyl)ethynyl]thiophene-2-carbaldehyde (CAS 206768-50-5)
- [4-(Trimethylsilyl)phenyl]acetic acid (CAS 5112-65-2)
- Methyl 4-(trimethylsilyl)benzoate (CAS 22515-30-6)
- 2-Methyl-2-((trimethylsilyl)ethynyl)cyclohexanone (CAS 1670262-40-4)
- 1-(Trimethylsilyl)-3,5-dimethyl-4-methoxybenzene (CAS 845823-17-8)
- 1-(Trimethylsilyl)-3-iso-propoxybenzene (CAS 845823-21-4)
- 3-((trimethylsilyl)ethynyl)benzaldehyde 3-(Trimethylsilyl)ethynylbenzaldehyde 77123-55-8 (CAS 77123-55-8)
Recommended Standards
- Ebanol(Mixture of isomers) (CAS 67801-20-1)
- (2-(Isopropyldimethylsilyl)phenyl)methanol (CAS 1266252-10-1)
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- Thioctic Acid EP Impurity B (CAS 462-20-4)
- 2,2,2-Trichloro-1-phenylethyl acetate (CAS 90-17-5)
- Phloroacetophenone 4-O-β-D-glucopyranoside (CAS 5027-30-5)
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- 1-(5-amino-8-fluoro-2,3,4,5-tetrahydro-1H-2-benzazepin-2-yl)ethan-1-one hydrochloride (CAS 1803599-65-6)
- 2-((1-Methyl-1H-tetrazol-5-yl)thio)ethan-1-amine hydrochloride (CAS 1216894-97-1)
- 4-(4-Bromo-1H-pyrrole-2-carbonyl)thiomorpholine (CAS 923200-04-8)
- 59880-97-6 Chemotactic peptide F-Met-Leu-Phe L-Phenylalanine, N-(N-(N-formyl-L-methionyl)-L-leucyl)- N-Formyl-L-methionyl-L-leucyl-L-phenylalanine N-Formyl-Met-Leu-Phe N-Formylmethionine leucyl-phenylalanine fMLF fMLP (misnomer but widely used) (CAS 59880-97-6)
Why CATO?
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