8-Methyl-2-(methylthio)quinolin-4(1H)-one CAS 625855-87-0
| CAS No. | 625855-87-0 |
| Molecular Formula | C11H11NOS |
| Molecular Weight | 205.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
8-Methyl-2-(methylthio)quinolin-4(1H)-one (CAS 625855-87-0), molecular formula C11H11NOS and molecular weight 205.28 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 8-Methyl-2-(methylthio)quinolin-4(1H)-one (C11H11NOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 205.28 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 8-Methyl-2-(methylthio)quinolin-4(1H)-one 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 | C11H11NOS |
| Molecular Weight | 205.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 4-(Methylthio)-N-(prop-2-yn-1-yl)benzamide (CAS 1090340-67-2)
- 1-Methyl-5-(methylthio)-3-phenyl-1H-1,2,4-triazole (CAS 50369-47-6)
- 2-Methyl-5-(methylthio)quinolin-8-ol (CAS 73113-04-9)
- 2-Methyl-8-(methylthio)quinolin-4-ol (CAS 63010-46-8)
- 3-(3-(Methylthio)phenyl)-1H-pyrazol-5-amine (CAS 2169350-90-5)
- 3-Methyl-5-(methylthio)-4-phenyl-4H-1,2,4-triazole (CAS 40279-27-4)
- 4-Methyl-1-(methylthio)isoquinolin-3(2H)-one (CAS 61576-34-9)
- 4-Methyl-3-(methylthio)-5-phenyl-4H-1,2,4-triazole (CAS 25812-76-4)
Recommended Standards
- 7-Methyl-5-(methylthio)quinolin-8-ol (CAS 37596-97-7)
- Cinnamaldehyde thiosemicarbazone (CAS 5351-70-2)
- 7-Methyl-1-(methylthio)isoquinolin-3(2H)-one (CAS 61576-31-6)
- Dibenzyl cyanocarbonimidodithioate (CAS 21504-97-2)
- 2-Methoxy-2-phenylethanol (CAS 2979-22-8)
- Benzyl (2-hydrazinyl-2-oxoethyl)carbamate (CAS 5680-83-1)
- 1-[(3-Methylbenzyl)sulfonyl]piperidine-4-carboxylic acid (CAS 1858240-99-9)
- Stereoisomer of di-μ-chlorotetrakis[3,5-difluoro-2-(4-methyl-2-pyridinyl-κN)-4-(trifluoromethyl)phenyl-κC]diiridium (CAS 1193263-65-8)
- Apremilast Impurity 73 (CAS CATO-C4X-100973)
- 4-Chloro-3-methylquinolin-2-amine (CAS 1400701-41-8)
- 1-(2-((2-Chloro-6-fluorobenzyl)thio)ethyl)-2-methyl-5-phenyl-1H-pyrrole-3-carboxylic acid (CAS 306936-24-3)
- 4-(Isopropylamino)-3-nitrobenzonitrile (CAS 355022-17-2)
- 4-Amino-6-morpholinopyrimidine (CAS 96225-80-8)
- Semaglutide Impurity 186 (CAS CATO-C4X-2226186)
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