2-Mercapto-4-methylbenzaldehyde CAS 294674-97-8
| CAS No. | 294674-97-8 |
| Molecular Formula | C8H8OS |
| Molecular Weight | 152.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Mercapto-4-methylbenzaldehyde (CAS 294674-97-8), a certified reference material (molecular formula C8H8OS, MW 152.21 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H8OS, 2-Mercapto-4-methylbenzaldehyde contains 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 152.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Mercapto-4-methylbenzaldehyde meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H8OS |
| Molecular Weight | 152.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 1 |
Related Mercapto Standards
- 2-Mercapto-5-methylbenzaldehyde (CAS 171776-80-0)
- 2-Mercapto-1-phenylethanone (CAS 2462-02-4)
- 3-mercapto-2-(mercaptomethyl)propanoic acid (CAS 7634-96-0)
- 6-Mercapto-2-methylnicotinaldehyde (CAS 1355226-36-6)
- 5-Mercapto-1,3-dimethyl-1H-pyrazole-4-carbonitrile (CAS 87573-92-0)
- 6-Mercapto-4-methylnicotinonitrile (CAS 1355196-94-9)
- 6-Mercapto-2-methylnicotinonitrile (CAS 1355203-59-6)
- 2-Mercapto-5-methyl-nicotinonitrile (CAS 87373-59-9)
Recommended Standards
- 2-Mercaptoacetophenone (CAS 26824-02-2)
- 2-Fluoro-1,3,4,5-tetramethylbenzene (CAS 319-91-5)
- 2-Methyl-2-(methylsulfonyl)propan-1-ol (CAS 25841-38-7)
- 2,3-Dihydrobenzofuran-6-thiol (CAS 90590-08-2)
- Ethenyldimethylamine (CAS 5763-87-1)
- 2-(2-((3-Chlorophenyl)amino)thiazol-4-yl)acetic acid (CAS 436094-79-0)
- 2-Methylthiopyrimidine (CAS 823-09-6)
- 3,7-Dimethyloct-6-en-1-yn-3-yl acetate (CAS 29171-21-9)
- 1-Benzyl-4-(2-fluorophenyl)pyrrolidin-3-amine (CAS 1823976-84-6)
- 2-acetamido-3-(thiophen-2-yl)prop-2-enoic acid (CAS 83396-73-0)
- 4-((3-Hydroxypropyl)amino)-4-oxobutanoic acid (CAS 117948-69-3)
- Milfasartan (CAS 148564-47-0)
- Bis(2,2-diethoxyethyl) Disulfide (CAS 76505-71-0)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
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