5-methyl-1,2-benzothiazole-3-carboxylic acid CAS 50789-12-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 50789-12-3 |
| Molecular Formula | C9H7NO2S |
| Molecular Weight | 193.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-methyl-1,2-benzothiazole-3-carboxylic acid (CAS 50789-12-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7NO2S. Molecular weight: 193.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H7NO2S |
| Molecular Weight | 193.22 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related methyl Standards
- 2-Methyl-1,3-benzothiazole-7-carboxylic acid (CAS 1261635-97-5)
- methyl 1,3-benzothiazole-6-carboxylate (CAS 73931-63-2)
- 1,3-Benzothiazole-2-carbohydrazide (CAS 28891-34-1)
- 1,3-Benzothiazole-6-carbonyl chloride (CAS 55439-73-1)
- Benzothiazole-6-carboxylic acid 1,3-benzothiazole-6-carboxylic acid 6-benzothiazolecarboxylic acid 6-benzothiazole carboxylic acid 3622-35-3 (CAS 3622-35-3)
- 2-methyl-1,3-benzothiazole-7-carbaldehyde (CAS 125872-43-7)
- 2-methyl-1,3-benzothiazole-4-carbaldehyde (CAS 1261784-71-7)
- 2-methyl-1,3-benzothiazole-6-carbaldehyde (CAS 20061-51-2)
Recommended Standards
- 5-Methoxybenzothiazole-2-carboxaldehyde (CAS 854059-90-8)
- 6-(methylsulfanyl)-2,3-dihydro-1H-indole-2,3-dione (CAS 59868-43-8)
- 5-Amino-1-benzothiophene-2-carboxylic acid (CAS 98589-46-9)
- 4-(Benzyloxy)-2-chloro-N-{[(3-chlorophenyl)carbamoyl]amino}benzamide (CAS 478039-99-5)
- (2R,3S,5R)-2-(Hydroxymethyl)-5-(6-((pyren-1-ylmethyl)amino)-9H-purin-9-yl)tetrahydrofuran-3-ol (CAS 132183-36-9)
- 2,5-dichloro-N'-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]-N'-methylbenzenesulfonohydrazide 339276-23-2 KS-000037LN (CAS 339276-23-2)
- 4-(2-phenylethyl)-5-sulfanyl-8-thia-4,6-diazatricyclo[7.4.0.0²,⁷]trideca-1(9),2(7),5-trien-3-one (CAS 351007-36-8)
- [2,2'-Bipyridine]-5,5'-dicarboximidamide (CAS 1247799-54-7)
- 4-[4-chloro-2-(dimethylamino)-1,3-thiazol-5-yl]but-3-en-2-one (CAS 1344869-08-4)
- Semaglutide impurity 33 (CAS CATO-C4X-222633)
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