Ethyl 2-(methylthio)nicotinate CAS 91540-68-0
| CAS No. | 91540-68-0 |
| Molecular Formula | C9H11NO2S |
| Molecular Weight | 197.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H11NO2S, Ethyl 2-(methylthio)nicotinate contains a nitrogen-containing heterocyclic scaffold, 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 197.25 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.
Ethyl 2-(methylthio)nicotinate (CAS 91540-68-0), molecular formula C9H11NO2S and molecular weight 197.25 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.
As a certified reference material (CRM), Ethyl 2-(methylthio)nicotinate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H11NO2S |
| Molecular Weight | 197.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
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Recommended Standards
- Ethyl (4-mercaptophenyl)carbamate (CAS 73443-73-9)
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- 1-ISOTHIOCYANATO-2-(TRIFLUOROMETHYL)BENZENE 1743-86-8 2-(Trifluoromethyl)phenyl isothiocyanate ALPHA,ALPHA,ALPHA-TRIFLUORO-O-TOLYL ISOTHIOCYANATE AS04347 ISOTHIOCYANIC ACID 2-(TRIFLUOROMETHYL)PHENYL ESTER O-(TRIFLUOROMETHYL)PHENYL ISOTHIOCYANATE (CAS 1743-86-8)
- (1S,2R,4S,5R)-2-((S)-Hydroxy(quinolin-4-yl)methyl)-1-(2-(naphthalen-1-ylamino)-2-oxoethyl)-5-vinylquinuclidin-1-ium bromide (CAS 2798945-77-2)
- 4-((2,5-Dimethylphenoxy)methyl)piperidine (CAS 70260-92-3)
- L-Leucine 4-nitrophenyl ester hydrochloride (CAS 75691-76-8)
- tert-Butyl (2-bromo-5-(hydroxymethyl)phenyl)carbamate (CAS 1893792-65-8)
- Ethyl 3-(7-hydroxy-4,8-dimethyl-2-oxo-2h-chromen-3-yl)propanoate (CAS 251361-29-2)
- 4-((Cyclopentylamino)methyl)-N-((1-methylpyrrolidin-3-yl)methyl)benzenesulfonamide (CAS 1336912-22-1)
- 1-(Sec-butyl)-4-iodo-3-nitro-1H-pyrazole (CAS 1354705-46-6)
- 2-phenylpyrimidine-4,6-diamine (CAS 52644-22-1)
- Semaglutide Impurity 187 (CAS CATO-C4X-2226187)
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