4-Amino-3-(methylthio)phenol CAS 37407-24-2
| CAS No. | 37407-24-2 |
| Molecular Formula | C7H9NOS |
| Molecular Weight | 155.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-Amino-3-(methylthio)phenol 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.
4-Amino-3-(methylthio)phenol (CAS 37407-24-2), molecular formula C7H9NOS and molecular weight 155.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H9NOS, 4-Amino-3-(methylthio)phenol contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 155.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C7H9NOS |
| Molecular Weight | 155.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 6-Amino-4-ethylpyrimidine-2(1H)-thione (CAS 1226335-48-3)
- 2-Amino-3-(methylthio)phenol (CAS 1243283-17-1)
- 2-Amino-4-methoxybenzenethiol (CAS 14482-32-7)
- 5-Amino-2-(methylthio)phenol (CAS 146310-34-1)
- 3-Amino-4-(methylthio)phenol (CAS 155821-45-7)
- (4-Amino-2-methylpyrimidin-5-yl)methanethiol (CAS 1967-85-7)
- 2-Amino-1-(thiophen-2-yl)propan-1-one (CAS 7057-00-3)
- 2-Amino-3-methoxybenzenethiol (CAS 73931-64-3)
Recommended Standards
- 4-Amino-2-methoxybenzenethiol (CAS 497855-25-1)
- 4-Cyclopropyl-5-methyl-4h-1,2,4-triazole-3-thiol (CAS 854137-73-8)
- 4-Amino-2-(methylthio)phenol (CAS 37398-21-3)
- 4H,5H,6H,7H-Thieno[3,2-c]pyridin-7-ol (CAS 59038-45-8)
- 2-Bromo-3,4,5,6-tetrafluorobenzoic acid (CAS 16583-04-3)
- [1,2,3]Thiadiazolo[5,4-b]pyridine-6-carbaldehyde (CAS 577771-07-4)
- 4-Chloro-N-((5-(3-chlorophenyl)-1H-1,2,4-triazol-3-yl)methyl)aniline (CAS 1171939-54-0)
- 6-(trifluoromethyl)-2-pyridyl]methanol (CAS 131747-53-0)
- 2-Chloro-5-(trifluoromethyl)isonicotinamide (CAS 1416713-79-5)
- (Tetrahydrofuran-2-yl)methyl phenylcarbamate (CAS 115382-20-2)
- 2-(3,4,5-Trimethoxybenzylidene)benzo[4,5]imidazo[2,1-b]thiazol-3(2H)-one (CAS 311327-86-3)
- 5-Amino-2-(4,5-dimethyl-4h-1,2,4-triazol-3-yl)phenol (CAS 1248382-00-4)
- 2-Amino-5-butyl-4-oxo-4,5-dihydro-1h-pyrrole-3-carboxamide (CAS 929974-62-9)
- Des-Pro36-37-Tirzepatide (CAS CATO-CPTD788938)
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