2-(3-Methylisothiazol-5-yl)benzaldehyde CAS 1401521-99-0
| CAS No. | 1401521-99-0 |
| Molecular Formula | C11H9NOS |
| Molecular Weight | 203.26 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.
CATO supplies 2-(3-Methylisothiazol-5-yl)benzaldehyde (CAS 1401521-99-0), a certified reference material (molecular formula C11H9NOS, MW 203.26 g/mol) for analytical method development and quality control.
Structurally, 2-(3-Methylisothiazol-5-yl)benzaldehyde (C11H9NOS) 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 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 203.26 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO manufactures 2-(3-Methylisothiazol-5-yl)benzaldehyde 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.
Physical & Chemical Properties
| Molecular Formula | C11H9NOS |
| Molecular Weight | 203.26 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylisothiazol Standards
- 4-(3-Methylisothiazol-5-yl)benzaldehyde (CAS 1401521-93-4)
- 3-(3-Methylisothiazol-5-yl)benzaldehyde (CAS 1401522-01-7)
- 2-(4-Methylisothiazol-5-yl)phenol (CAS 89296-04-8)
- 3-(3-Methylisothiazol-5-yl)aniline (CAS 1401521-91-2)
- 2-(((3-Methylisothiazol-4-yl)methyl)thio)ethanamine (CAS 62174-93-0)
- 4-(3-Methylisothiazol-5-yl)benzoic acid (CAS 1261236-29-6)
- 2-(3-Methylisothiazol-5-yl)benzoic acid (CAS 1401521-94-5)
- 3-(3-Methylisothiazol-5-yl)benzoic acid (CAS 1401522-26-6)
Recommended Standards
- (5-Methylthiophen-2-yl)(pyridin-2-yl)methanone (CAS 1397235-54-9)
- 8-(Methylsulfonyl)-8-azabicyclo[3.2.1]Octan-3-one (CAS 1412433-64-7)
- (3-Methylthiophen-2-yl)(pyridin-2-yl)methanone (CAS 1373519-81-3)
- 1-(1-Ethyl-1h-imidazol-2-yl)-n-methylmethanesulfonamide (CAS 1420904-13-7)
- 6-Bromo-3-methoxyquinoline (CAS 1201844-77-0)
- (4,8-Bis((2-ethylhexyl)oxy)benzo[1,2-b:4,5-b']dithiophene-2,6-diyl)bis(trimethylstannane) (CAS 1160823-78-8)
- 3-(Benzyl-phenyl-sulfamoyl)-4-chloro-benzoic acid (CAS 733762-51-1)
- 2-Difluoromethoxy-6-(trifluoromethyl)aniline (CAS 1807182-98-4)
- Methyl 7-methoxy-4-nitro-1H-indazole-3-carboxylate (CAS 1448066-97-4)
- Demeclocycline EP Impurity F (CAS CATO-C4X-16086)
- 6-(Trifluoromethyl)tetrahydropyridazin-3(2H)-one (CAS 1216205-41-2)
- 4-Chloro-2-(isoxazol-5-yl)phenol (CAS 86176-56-9)
- 4-(Benzyloxy)piperidin-3-ol (CAS 1822597-41-0)
- Semaglutide impurity 50 (CAS 2773558-66-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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