8-Methyl-2-(5-methylthiophen-2-yl)quinoline-4-carboxylic acid CAS 667412-63-7
| CAS No. | 667412-63-7 |
| Molecular Formula | C16H13NO2S |
| Molecular Weight | 283.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 8-Methyl-2-(5-methylthiophen-2-yl)quinoline-4-carboxylic acid 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.
8-Methyl-2-(5-methylthiophen-2-yl)quinoline-4-carboxylic acid (CAS 667412-63-7), molecular formula C16H13NO2S and molecular weight 283.34 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 8-Methyl-2-(5-methylthiophen-2-yl)quinoline-4-carboxylic acid (C16H13NO2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 283.34 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.
Physical & Chemical Properties
| Molecular Formula | C16H13NO2S |
| Molecular Weight | 283.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 6-Methyl-2-(5-methylthiophen-2-yl)quinoline-4-carboxylic acid (CAS 438216-88-7)
- 4-(5-Methylthiophen-2-yl)-1,4-dihydrobenzo[4,5]imidazo[1,2-a][1,3,5]triazin-2-amine (CAS 451508-89-7)
- 2-(5-Methylthiophen-2-yl)-3-(1,3,4-thiadiazol-2-yl)thiazolidin-4-one (CAS 106145-86-2)
- (4-Methylthiophen-2-yl)(1-oxa-4-thia-8-azaspiro[4.5]decan-8-yl)methanone (CAS 1351658-20-2)
- 5-(5-Methylthiophen-3-yl)-4-((tetrahydrofuran-2-yl)methyl)-4H-1,2,4-triazole-3-thiol (CAS 438228-02-5)
- 2-(2-(5-Methylthiophen-2-yl)-2-oxoethyl)isoindoline-1,3-dione (CAS 923743-86-6)
- 5-((3-Methylthiophen-2-yl)methylene)-2-phenylthiazol-4(5H)-one (CAS 354545-77-0)
- 5-(5-Methylthiophen-2-yl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine (CAS 861443-59-6)
Recommended Standards
- 8-Ethyl-2-(thiophen-2-yl)quinoline-4-carboxylic acid (CAS 725705-53-3)
- 9-Fluoro-5-phenyl-3,4,4a,5,6,10b-hexahydro-2H-pyrano[3,2-c]quinoline (CAS 546101-46-6)
- 7,8-Dimethyl-2-(thiophen-2-yl)quinoline-4-carboxylic acid (CAS 436096-59-2)
- Benzyl (3R)-3-methanesulfonylpyrrolidine-1-carboxylate (CAS 2102409-37-8)
- 79584-03-5 4-(Azidomethyl)benzoic acid DTXSID10608218 (CAS 79584-03-5)
- Tert-butyl ((1S,4s,6S)-6-aminospiro[3.3]Heptan-1-yl)carbamate (CAS 1682647-23-9)
- (1-Methyl-1H-benzo[d]imidazol-2-yl)(phenyl)phosphinic acid (CAS 172753-91-2)
- N-Me-N-bis-PEG3 (CAS 342818-95-5)
- 5-Fluoro-2-(trifluoromethyl)phenol (CAS 243459-91-8)
- 2-[2-(3,5-Dihydroxy-phenyl)-ethyl]-6-methoxy-benzoic acid methyl ester (CAS 365542-96-7)
- Methyl (13S,14R,17R)-16-methyl-11,15-dioxa-16-azatetracyclo[8.7.0.0^{2,7}.0^{13,17}]heptadeca-1(10),2(7),3,5,8-pentaene-14-carboxylate (CAS 318247-28-8)
- Perospirone Impurity 16 (CAS CATO-C4X-245816)
- 4-((tert-Butoxycarbonyl)amino)-2-(methylthio)pyrimidine-5-carboxylic acid (CAS 2248283-86-3)
- Fibrinogen Related Peptide (CAS 80755-86-8)
Why CATO?
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