4-(Isothiazol-5-yl)aniline CAS 904085-99-0
| CAS No. | 904085-99-0 |
| Molecular Formula | C9H8N2S |
| Molecular Weight | 176.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-(Isothiazol-5-yl)aniline.
CATO supplies 4-(Isothiazol-5-yl)aniline (CAS 904085-99-0), a certified reference material (molecular formula C9H8N2S, MW 176.24 g/mol) for analytical method development and quality control.
Structurally, 4-(Isothiazol-5-yl)aniline (C9H8N2S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 176.24 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-(Isothiazol-5-yl)aniline 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 | C9H8N2S |
| Molecular Weight | 176.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | 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.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Isothiazol Standards
- 3-(Isothiazol-5-yl)aniline (CAS 904086-00-6)
- 3-(Isothiazol-5-yl)phenol (CAS 904085-96-7)
- 4-(Isothiazol-5-yl)phenol (CAS 68535-60-4)
- 2-(Isothiazol-3-yl)-2-methylpropanoic acid (CAS 1779983-34-4)
- 4-(Isothiazol-4-yl)-2-methylbut-3-yn-2-ol (CAS 1310558-46-3)
- Methyl 2-(isothiazol-4-yl)acetate (CAS 10271-83-7)
- 2-(Isothiazol-3-yl)propanoic acid (CAS 1500343-54-3)
- 3-(Isothiazol-5-yl)benzoic acid (CAS 904085-98-9)
Recommended Standards
- 4-(4-Methylphenyl)-1,2,3-thiadiazole (CAS 40753-14-8)
- 4-(Pyridin-4-yl)thiophen-2-amine (CAS 692889-16-0)
- 3-methylsulfonyl-3,6-diazabicyclo[3.1.1]heptane (CAS 2167170-14-9)
- 4-(Thiazol-5-yl)aniline (CAS 332113-79-8)
- Dehydroabietinol (CAS 3772-55-2)
- 9-Octadecenoic acid, sodium salt, (9E)- (CAS 18175-45-6)
- N-[(Hexahydro-3-pyridazinyl)acetyl]glycyl-L-valyl-L-arginine (CAS 651356-13-7)
- 4-(2,5-Dichlorothiophen-3-yl)butan-1-amine (CAS 1483263-48-4)
- 1-[(3,5-Dimethylphenyl)methoxy]-1H-imidazole (CAS 477870-02-3)
- 4-(2,4-Difluorophenyl)but-3-en-2-one (CAS 1115962-39-4)
- 2-Mercaptoacrylic acid (CAS 31523-62-3)
- 2-(Naphthalen-1-yl)benzofuran-3-carboxylic acid (CAS 63559-04-6)
- 2,4-Dichloro-5-ethyl-6-methylpyrimidine (CAS 861033-35-4)
- Prolactin-Releasing Peptide (12-31) (human) (CAS 235433-36-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com