6,7-Dihydroxy-1-methylquinoline-4(1H)-thione CAS 127133-92-0
| CAS No. | 127133-92-0 |
| Molecular Formula | C10H9NO2S |
| Molecular Weight | 207.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 6,7-Dihydroxy-1-methylquinoline-4(1H)-thione.
6,7-Dihydroxy-1-methylquinoline-4(1H)-thione (CAS 127133-92-0) is a high-purity analytical reference standard with the molecular formula C10H9NO2S and a molecular weight of 207.25 g/mol.
Based on its molecular formula C10H9NO2S, 6,7-Dihydroxy-1-methylquinoline-4(1H)-thione 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 207.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 6,7-Dihydroxy-1-methylquinoline-4(1H)-thione 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 | C10H9NO2S |
| Molecular Weight | 207.25 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dihydroxy Standards
- 1-(6,7-Dihydroxy-3,4-dihydroisoquinolin-2(1H)-yl)ethanone (CAS 140865-98-1)
- Methyl 5,6-dihydroxy-1H-indole-2-carboxylate (CAS 10131-14-3)
- 5,6-Dihydroxy-1-methyl-1H-indole-2-carboxylic acid (CAS 126434-73-9)
- Methyl 4,5-dihydroxy-1H-indole-7-carboxylate (CAS 138106-27-1)
- 2-(5,6-Dihydroxy-1H-indol-3-yl)acetic acid (CAS 67615-73-0)
- 2-(1,6-Dihydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-3-yl)acetic acid (CAS 1196473-70-7)
- 6,7-Dihydroxy-8-methoxy-2H-chromen-2-one (CAS 108221-59-6)
- 5,8-Dihydroxy-2-(hydroxymethyl)quinazolin-4(1H)-one (CAS 117498-07-4)
Recommended Standards
- Methyl 2-methylbenzo[d]thiazole-4-carboxylate (CAS 1261769-61-2)
- 7-(Dimethylamino)benzo[c][1,2,5]thiadiazole-4-carbaldehyde (CAS 1273326-17-2)
- Methyl 6-methyl-1,3-benzothiazole-2-carboxylate (CAS 1236115-18-6)
- 4-Phenylthiomorpholine-3,5-dione (CAS 130968-47-7)
- 5-Bromo-2-fluoro-N,N-dimethylaniline (CAS 1352214-46-0)
- tert-Butyl 3-(2-methylbenzyl)piperazine-1-carboxylate (CAS 886771-68-2)
- N-(5-(tert-Butyl)-2-methoxyphenyl)-3-(5,7-dimethyl-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)propanamide (CAS 869875-84-3)
- 1-(Tert-butyl) 3-methyl 5,5-dimethylpiperidine-1,3-dicarboxylate (CAS 2114587-12-9)
- 5-Bromo-3-cyclopropoxypicolinamide (CAS 1243458-59-4)
- 3-(5-(4-(tert-Butyl)phenyl)-1H-1,2,4-triazol-3-yl)phenol (CAS 1171933-42-8)
- (3AS,4S,6aR)-5-(tert-Butoxycarbonyl)-2,2-dimethyltetrahydro-3aH-[1,3]dioxolo[4,5-c]pyrrole-4-carboxylic acid (CAS 127910-62-7)
- Methyl 2-amino-3-fluoro-6-methoxybenzoate (CAS 1354950-80-3)
- Ethyl 2-((3-fluorophenyl)amino)thiazole-4-carboxylate (CAS 886498-64-2)
- Peptide Impurity 27 (CAS 1350456-68-6)
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