5-(2,6-Dimethoxyphenyl)thiophene-2-carbaldehyde CAS 887987-02-2
| CAS No. | 887987-02-2 |
| Molecular Formula | C13H12O3S |
| Molecular Weight | 248.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, 5-(2,6-Dimethoxyphenyl)thiophene-2-carbaldehyde is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 248.30 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5-(2,6-Dimethoxyphenyl)thiophene-2-carbaldehyde (CAS 887987-02-2), molecular formula C13H12O3S and molecular weight 248.30 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.
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 | C13H12O3S |
| Molecular Weight | 248.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
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- 6-(2,5-Dimethoxyphenyl)pyridazine-3-thiol (CAS 1226273-86-4)
- 5-(2,4-Dimethoxyphenyl)thiophene-2-carbaldehyde (CAS 654067-71-7)
- 1-(3,4-Dimethoxyphenyl)-4,4-dimethylpent-1-en-3-one (CAS 58344-29-9)
- [2-(3,4-Dimethoxyphenyl)-5-methyl-1,3-oxazol-4-yl]methanamine (CAS 1048920-75-7)
- 1-(3-(3,4-Dimethoxyphenyl)-1H-1,2,4-triazol-5-yl)ethanamine (CAS 1494839-54-1)
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Recommended Standards
- 5-(4-Ethoxyphenyl)thiophene-2-carboxylic acid (CAS 952959-59-0)
- 5-((P-tolyloxy)methyl)thiophene-2-carboxylic acid (CAS 934155-67-6)
- 5-(4-Methoxy-2-methylphenyl)thiophene-2-carboxylic acid (CAS 764722-92-1)
- 5-((Benzylthio)methyl)furan-2-carboxylic acid (CAS 91903-26-3)
- (s)-2-Amino-2-(3-bromo-5-(trifluoromethyl)phenyl)ethan-1-ol (CAS 1213540-93-2)
- 3-(1-(4-Chlorophenyl)cyclobutyl)-5,6,7,8-tetrahydrocinnoline (CAS 918873-18-4)
- (R)-1-(4-Fluorobenzyl)-3-methylpiperazine (CAS 422270-29-9)
- 2-(5-(Furan-2-ylmethylene)-4-oxo-2-thioxothiazolidin-3-yl)succinic acid (CAS 853904-00-4)
- 2-(4-Bromophenyl)-3-oxopentanenitrile (CAS 857483-87-5)
- Ethyl (E)-3-((5S,8aS)-5-benzyl-3-oxodihydro-1H,3H-oxazolo[4,3-c][1,4]oxazin-8a(8H)-yl)acrylate (CAS 1556097-90-5)
- N-phenyl dibenzothiophen-4-amine (CAS 1252914-52-5)
- 2-(4-Methoxyphenyl)-1-phenylimidazo[2,1-b]quinazolin-5(1H)-one (CAS 62481-24-7)
- 5-Oxo-1-[4-(propan-2-yl)phenyl]pyrrolidine-3-carboxylic acid (CAS 63674-51-1)
- Tau Peptide (277-291) trifluoroacetate salt (CAS 330456-40-1)
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