3-Methyl-4-nitro-isothiazole-5-carbonitrile CAS 4577-00-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4577-00-8 |
| Molecular Formula | C5H3N3O2S |
| Molecular Weight | 169.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Methyl-4-nitro-isothiazole-5-carbonitrile (CAS 4577-00-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H3N3O2S. Molecular weight: 169.16 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H3N3O2S |
| Molecular Weight | 169.16 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 3-Methyl-5-nitro-1-propyl-1H-pyrazole (CAS 1003993-39-2)
- 1-(1-Methyl-4-nitro-1h-pyrazol-5-yl)ethan-1-one (CAS 1006437-81-5)
- 5-Methyl-3-nitro-1-propyl-1h-pyrazole (CAS 1171712-33-6)
- 1-Butyl-4-nitro-1h-pyrazole (CAS 1240574-64-4)
- 1-Methyl-4-nitro-1h-pyrrole-2-carboxamide (CAS 13138-77-7)
- 1-(3-Nitro-1H-pyrazol-1-yl)propan-2-one (CAS 131394-08-6)
- 2-Nitro-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine (CAS 1333508-92-1)
- 1-(1-methyl-3-nitro-1H-pyrazol-5-yl)ethan-1-one (CAS 1368382-45-9)
Recommended Standards
- 3-Amino-1-(2-fluorophenyl)urea (CAS 775257-94-8)
- 4-Amino-5-fluoro-N-methylpicolinamide (CAS 2417666-34-1)
- 2-Amino-5-fluorobenzohydrazide (CAS 76746-19-5)
- 2-(Bromomethyl)benzo[d]oxazole-6-acetic acid (CAS 1806427-41-7)
- 3-Chloro-7-(4-methylpiperazin-1-yl)quinoline-8-carbonitrile (CAS 88347-10-8)
- 4-Amino-N-(2-methoxyphenyl)benzene-1-sulfonamide (CAS 19837-84-4)
- 1-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroquinoline-6-carboxylic acid (CAS 1097161-04-0)
- 4-(Tert-butyl)-[1,1'-biphenyl]-2-amine (CAS 70729-04-3)
- (5R,6R)-6-[(1R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-5-(4-fluorophenyl)-3-morpholinone (CAS 419574-33-7)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com