2-(Thiophen-2-yl)propanoyl chloride CAS 273933-03-2
| CAS No. | 273933-03-2 |
| Molecular Formula | C7H7ClOS |
| Molecular Weight | 174.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-(Thiophen-2-yl)propanoyl chloride 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.
2-(Thiophen-2-yl)propanoyl chloride (CAS 273933-03-2), molecular formula C7H7ClOS and molecular weight 174.65 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(Thiophen-2-yl)propanoyl chloride (C7H7ClOS) 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 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 174.65 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C7H7ClOS |
| Molecular Weight | 174.65 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Thiophen Standards
- 3-(Thiophen-2-yl)propanoyl chloride (CAS 5834-04-8)
- 2-methyl-3-(thiophen-2-yl)propanoic acid (CAS 104483-15-0)
- 2-methyl-2-(thiophen-3-yl)propanoic acid (CAS 147632-27-7)
- (4-(Thiophen-2-yl)phenyl)methanol (CAS 16939-04-1)
- 2-(thiophen-2-yl)butanoic acid (CAS 54955-40-7)
- 2-methyl-2-(thiophen-2-yl)propanoic acid (CAS 90953-78-9)
- 2-methyl-3-(thiophen-3-yl)propanoic acid (CAS 20174-15-6)
- 3-(thiophen-2-yl)butanoic acid (CAS 77270-48-5)
Recommended Standards
- 1-Chloro-2-(methylsulfinyl)benzene (CAS 7321-57-5)
- 2,5-Dimethylthiophene-3-carbonyl chloride (CAS 57248-13-2)
- 1-(5-Chlorothiophen-2-yl)propan-1-one (CAS 32427-82-0)
- 2-Acetyl-5-chloro-4-methylthiophene (CAS 91505-26-9)
- 1-(2-amino-6-chloropyrimidin-4-yl)piperidin-3-ol (CAS 1386832-48-9)
- 1-(2,5-Dichlorophenyl)-2-(propylthio)ethan-1-one (CAS 1157207-36-7)
- 1,4-Dihydro-6,7-dimethyl-1,4-epoxynaphthalene (CAS 19061-36-0)
- Phenyltrimethylammonium bromide (CAS 16056-11-4)
- 3-Methyl-1-(4-phenyl-1,3-thiazol-2-yl)-1h-pyrazol-5-ol (CAS 117480-98-5)
- Ethyl 6-(2-oxoethyl)imidazo[1,2-a]pyridine-3-carboxylate (CAS 1426136-39-1)
- Methyl 3-(trifluoromethyl)pyrrolidine-2-carboxylate (CAS 1779446-78-4)
- 3,4-Dimethoxyphenyl Isocyanate (CAS 37527-66-5)
- 3-Methyl-1H-pyrazol-4-amine hydrochloride (CAS 1228070-91-4)
- Peptide YY (3-36) (canine, mouse, porcine, rat) trifluoroacetate salt (CAS 126339-09-1)
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