6-Methyl-2-(2-methylquinolin-6-yl)benzo[d]thiazole-7-sulfonic acid CAS 3181-86-0
| CAS No. | 3181-86-0 |
| Molecular Formula | C18H14N2O3S2 |
| Molecular Weight | 370.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 6-Methyl-2-(2-methylquinolin-6-yl)benzo[d]thiazole-7-sulfonic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 370.45 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
6-Methyl-2-(2-methylquinolin-6-yl)benzo[d]thiazole-7-sulfonic acid (CAS 3181-86-0), molecular formula C18H14N2O3S2 and molecular weight 370.45 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.
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 | C18H14N2O3S2 |
| Molecular Weight | 370.45 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Methyl Standards
- 2-Methylquinolin-8-yl 2,5-dimethoxybenzenesulfonate (CAS 332021-80-4)
- 3-Methyl-4-((2-(4-methylquinolin-2-yl)hydrazineylidene)methyl)-1-phenyl-1H-pyrazol-5-ol (CAS 304683-42-9)
- 2-Methylquinolin-8-yl (4-bromophenyl)carbamate (CAS 99541-04-5)
- 6-Benzyl-4-methylquinolin-2(1H)-one (CAS 5428-28-4)
- 2-{2-[(4-methylquinolin-2-yl)sulfanyl]acetamido}benzoic acid (CAS 554404-30-7)
- 1-(3-Methylquinolin-2-yl)ethanone (CAS 66635-61-8)
- 2-Methylquinolin-8-yl (3,4-dichlorophenyl)carbamate (CAS 14577-76-5)
- (4-Methylquinolin-6-yl)(4-(phenylsulfonyl)piperidin-1-yl)methanone (CAS 1788543-57-6)
Recommended Standards
- 3-(4-Methoxyphenyl)-6-(piperidin-1-yl)pyridazino[4,3-c]isoquinoline (CAS 96825-91-1)
- 7-[(E)-2-[3-(4-tert-Butylphenoxy)phenyl]ethenyl]-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 685108-17-2)
- 3-((4-Hydroxyphenyl)(thiophen-2-ylmethyl)amino)benzo[d]isothiazole 1,1-dioxide (CAS 443319-38-8)
- 7-Cyclopentyl-5-(4-phenoxyphenyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 213743-31-8)
- 1-Methanesulfonyl-1h-pyrrole-2-carbaldehyde (CAS 123892-38-6)
- Bacitracin Zinc (CAS 1405-89-6)
- 2,4-Dichloro-6-(methoxymethyl)pyrimidine (CAS 1037543-27-3)
- 2-Amino-2-[2-(trifluoromethyl)phenyl]acetic Acid (CAS 240490-00-0)
- 2-(Trifluoromethyl)-1,3-oxathiolan-5-one (CAS 79413-31-3)
- 1-(propan-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole (CAS 2223027-39-0)
- 2-[(2-methoxyethoxy)methyl]oxirane (CAS 13483-49-3)
- n-(1-(3-Methoxyphenyl)ethyl)cyclopropanamine (CAS 926195-59-7)
- 2,6-Difluoro-4-methylpyridine (CAS 885267-39-0)
- Insulin Detemir (CAS 169148-63-4)
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