3-Methyl-5-nitrobenzo[d]isothiazole CAS 35272-19-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 35272-19-6 |
| Molecular Formula | C8H6N2O2S |
| Molecular Weight | 194.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-Methyl-5-nitrobenzo[d]isothiazole (CAS 35272-19-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6N2O2S. Molecular weight: 194.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H6N2O2S |
| Molecular Weight | 194.21 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- 3-methyl-[1,2]thiazolo[5,4-b]pyridine-5-carboxylic acid (CAS 949685-30-7)
- 3-Oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carbaldehyde (CAS 443956-16-9)
- 3-Hydroxy-1-[3-(trifluoromethyl)phenyl]-4,5-dihydro-1H-pyrazole (CAS 58773-10-7)
- 5-(2-Hydroxyethyl)-4-imino-1-methyl-4,5-dihydro-1H-imidazo[4,5-c]pyridin-2(3H)-one (CAS 777813-86-2)
- 2-(4-Methylpiperidin-1-yl)-3-nitrobenzoic acid (CAS 890091-66-4)
- 2-Chloro-3-iodopyridine-4-carboxylic acid (CAS 1423027-39-7)
- Formic acid, methyl ester, polymer with N1-[3-(dimethoxymethylsilyl)propyl]-1,2-ethanediamine and 2,2,4,4,6,6,8,8-octamethylcyclotetrasiloxane (CAS 168811-63-0)
- Methane-d1 (gas) (CAS 676-49-3)
- 2-(((1h-Benzo[d]imidazol-2-yl)thio)methyl)benzoic acid hydrobromide (CAS 1171584-84-1)
- Semaglutide impurity 269 (CAS CATO-C4X-2226269)
Why CATO?
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