5-Methylisothiazole CAS 693-97-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 693-97-0 |
| Molecular Formula | C4H5NS |
| Molecular Weight | 99.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methylisothiazole (CAS 693-97-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5NS. Molecular weight: 99.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H5NS |
| Molecular Weight | 99.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylisothiazole Standards
- 3-Methylisothiazole (CAS 693-92-5)
- 3-Methylisothiazole-4-carbonitrile (CAS 58850-81-0)
- 3-Methylisothiazole-5-carbonitrile (CAS 57352-00-8)
- 5-Methylisothiazole-3-carbonitrile (CAS 65735-08-2)
- 5-Methylisothiazole-4-carbaldehyde (CAS 1083223-98-6)
- 5-Methylisothiazole-3-carbaldehyde (CAS 1083274-36-5)
- 4-Methylisothiazole-3-carbaldehyde (CAS 1083401-28-8)
- 3-Methylisothiazole-4-carbaldehyde (CAS 17265-59-7)
Recommended Standards
- 4-Methyl-1,2-thiazole (CAS 693-90-3)
- Thiophen-2(3H)-imine (CAS 82357-68-4)
- 2-Methylthiazole (CAS 3581-87-1)
- Benzyl 3-chlorophenyl ether (CAS 24318-02-3)
- (4-Methoxy-[1,1'-biphenyl]-3-yl)hydrazine (CAS 149878-66-0)
- 2-(Dimethylamino)ethyl 2,3-dihydrobenzo[b][1,4]dioxine-6-carboxylate (CAS 36194-26-0)
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- H-Ser(tBu)-OMe · HCl (CAS 17114-97-5)
- (E)-N'-(9-((2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-6-oxo-6,9-dihydro-3H-purin-2-yl)-N,N-dimethylformimidamide (CAS 1055407-32-3)
- Myristoyl Pentapeptide -4 acetate (CAS 959610-30-1(free base))
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