5-(Methylthio)thiophene-2-carbaldehyde CAS 24445-35-0
| CAS No. | 24445-35-0 |
| Molecular Formula | C6H6OS2 |
| Molecular Weight | 158.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
5-(Methylthio)thiophene-2-carbaldehyde (CAS 24445-35-0), molecular formula C6H6OS2 and molecular weight 158.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-(Methylthio)thiophene-2-carbaldehyde (C6H6OS2) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 158.24 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 5-(Methylthio)thiophene-2-carbaldehyde 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 | C6H6OS2 |
| Molecular Weight | 158.24 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Sulfur Atoms | 2 |
Related Methylthio Standards
- 2-(Methylthio)pyrimidine-4(3H)-thione (CAS 6303-54-4)
- 2-(Methylthio)thiophene-3-carboxaldehyde (CAS 76834-95-2)
- 2-(Methylthio)thiophene-4-carboxaldehyde (CAS 88511-86-8)
- 4-(Methylthio)thiophene-3-carbaldehyde (CAS 88511-85-7)
- 6-(Methylthio)pyrimidine-4(1H)-thione (CAS 63554-87-0)
- 2-(Methylthio)cycloheptanone (CAS 52190-36-0)
- 7022-45-9 2-(Methylthio)benzaldehyde DTXSID70301596 (CAS 7022-45-9)
- (5-((Methylthio)methyl)-1H-1,2,4-triazol-3-yl)methanamine (CAS 1343502-51-1)
Recommended Standards
- 5-(2-Hydroxyethyl)-3,4-dimethylthiazol-3-ium (CAS 54379-31-6)
- 5,5-Dimethylheptanoicacid (CAS 52146-21-1)
- 4-Morpholino-1-butanamine (CAS 6321-07-9)
- 5-cyclopropyl-1,3,4-thiadiazole-2-thiol (CAS 66464-83-3)
- 81201-90-3 L-4-Hydroxyphenyl-4-13C-alanine L-Tyrosine-(phenyl-4-13C) (CAS 81201-90-3)
- 3-[(2-phenoxyethoxy)methyl]aniline (CAS 1016749-42-0)
- 5-Bromo-3-[(3-methyl-1,2,4-oxadiazol-5-yl)methyl]-3,4-dihydropyrimidin-4-one (CAS 1501749-00-3)
- 4-((6-Fluoro-2-methyl-3,4-dihydroquinolin-1(2H)-yl)sulfonyl)aniline (CAS 774586-90-2)
- Dotinurad Impurity 222 (CAS CATO-C4X-2494222)
- Bis[2-phenylpyridine][4,4'-diamino-5,5'-dimethyl-2,2'-bipyridine] iridium(III) hexafluorophosphate (CAS 2489240-33-5)
- 1-(4-(Trifluoromethoxy)Phenyl)Ethanone O-(4-Methoxybenzyl) Oxime (CAS 1571034-51-9)
- 4-Hydroxypicolinaldehyde hydrochloride (CAS 1965309-48-1)
- 2-(3-Azidopropoxy)-3-methoxybenzoic acid (CAS 2096985-63-4)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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