(S)-2-(2-Chlorophenyl)-2,5-dihydrothiophene-3-carbaldehyde CAS 1255188-94-3
| CAS No. | 1255188-94-3 |
| Molecular Formula | C11H9ClOS |
| Molecular Weight | 224.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies (S)-2-(2-Chlorophenyl)-2,5-dihydrothiophene-3-carbaldehyde (CAS 1255188-94-3), a certified reference material (molecular formula C11H9ClOS, MW 224.71 g/mol) for analytical method development and quality control.
Structurally, (S)-2-(2-Chlorophenyl)-2,5-dihydrothiophene-3-carbaldehyde (C11H9ClOS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. 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 224.71 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C11H9ClOS |
| Molecular Weight | 224.71 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1990 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related S Standards
- 4-(3-Chlorophenyl)-2-methylthiazol-5-amine (CAS 1247687-32-6)
- (R)-2-(3-Chlorophenyl)-2,5-dihydrothiophene-3-carbaldehyde (CAS 1255188-96-5)
- (R)-2-(4-Chlorophenyl)-2,5-dihydrothiophene-3-carbaldehyde (CAS 1255188-99-8)
- 5-(4-Chlorophenyl)-1-methyl-1H-imidazole-2-thiol (CAS 17452-31-2)
- (2-(2-Chlorophenyl)thiazol-4-yl)methanamine (CAS 885280-09-1)
- (2-(3-Chlorophenyl)thiazol-4-yl)methanamine (CAS 775579-08-3)
- (2-(4-Chlorophenyl)thiazol-4-yl)methanamine (CAS 772338-96-2)
- (3-Chlorophenyl)(thiophen-2-yl)methanol (CAS 356552-68-6)
Recommended Standards
- 4-Chloro-6-methyl-2-(methylthio)quinazoline (CAS 1189797-90-7)
- 4-Chloro-6-methyl-2-(3-methylthiophen-2-yl)pyrimidine (CAS 1155149-61-3)
- 4-Chloro-2-cyclopropyl-6-methylthieno[2,3-d]pyrimidine (CAS 1341078-55-4)
- 4-Chloro-6-methyl-2-(5-methylthiophen-2-yl)pyrimidine (CAS 1153298-34-0)
- 1,6-Dimethyl-1H-indazol-5-amine (CAS 1780910-53-3)
- Chloro[tri(p-tolyl)phosphine]gold(I) (CAS 28978-10-1)
- 7-Isobutoxyquinolin-3-amine (CAS 1365940-96-0)
- Ethyl 2-((trans-4-(4-(bromomethyl)phenyl)cyclohexyl)acetate (CAS 1359943-47-7)
- 4-(((2,4-Dioxopyrrolidin-3-ylidene)methyl)amino)butanoic acid (CAS 416878-37-0)
- 5-Methoxy-2',5'-dimethyl-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261980-22-6)
- 1,1-Dimethyl-1,2,3,4-tetrahydropyrrolo-[1,2-a]pyrazine 1200AD 1215295-90-1 C9H14N2 (CAS 1215295-90-1)
- 4-Bromo-2-chlorobenzothioamide (CAS 1196879-27-2)
- 5-(Thiophen-2-yl)isoxazole-3-carbaldehyde (CAS 465514-11-8)
- (9-D-Asp) Semaglutide X Sodium salt (CAS CATO-CPTD788617)
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