n-[2-(3,4-diethoxyphenyl)ethyl]thiophene-2-carboxamide CAS 447448-72-8
| CAS No. | 447448-72-8 |
| Molecular Formula | C17H21NO3S |
| Molecular Weight | 319.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
n-[2-(3,4-diethoxyphenyl)ethyl]thiophene-2-carboxamide (CAS 447448-72-8), molecular formula C17H21NO3S and molecular weight 319.42 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H21NO3S, n-[2-(3,4-diethoxyphenyl)ethyl]thiophene-2-carboxamide contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 319.42 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
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 | C17H21NO3S |
| Molecular Weight | 319.42 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related n Standards
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Recommended Standards
- N,N-dimethyl-5-(piperazin-1-ylsulfonyl)naphthalen-1-amine (CAS 86516-36-1)
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- N-(4-Methoxybenzyl)-2,4,6-trimethylbenzenesulfonamide (CAS 305849-15-4)
- N-Ethyl-2-(5-(hydroxymethyl)-2-((3-methylbenzyl)thio)-1H-imidazol-1-yl)acetamide (CAS 923163-55-7)
- 1-isopropyltriazole (CAS 499132-20-6)
- NO-Aspirin (CAS 287118-97-2)
- 6-Fluoro-N1-(3-methoxypropyl)benzene-1,2-diamine (CAS 1233953-14-4)
- (S)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)oxirane (CAS 834906-31-9)
- 2-Mercapto-1,2,5,6,7,8-hexahydroquinoline-3-carboxylic acid (CAS 1706443-39-1)
- (S)-Benzyl 3-(2-chloro-N-ethylacetamido)pyrrolidine-1-carboxylate (CAS 1354019-80-9)
- D-[Phe]6-Liraglutide (CAS CATO-C4X-199235)
- 2-((2-Methoxyethyl)thio)-1-(o-tolyl)ethan-1-one (CAS 1157302-37-8)
- 5-(4-Ethylphenyl)picolinic acid (CAS 1226265-49-1)
- Semaglutide Impurity 162 (x TFA Salt) (CAS CATO-C4X-2226162)
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