5-tert-Butylthiophene-2-carbonyl chloride CAS 832113-93-6
| CAS No. | 832113-93-6 |
| Molecular Formula | C9H11ClOS |
| Molecular Weight | 202.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-tert-Butylthiophene-2-carbonyl chloride (C9H11ClOS) 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 202.70 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5-tert-Butylthiophene-2-carbonyl chloride (CAS 832113-93-6), molecular formula C9H11ClOS and molecular weight 202.70 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), 5-tert-Butylthiophene-2-carbonyl chloride 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 | C9H11ClOS |
| Molecular Weight | 202.70 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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.) | 1986 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related tert Standards
- Methyl 5-butylthiophene-2-carboxylate (CAS 161618-23-1)
- Ethyl 5-butylthiophene-2-carboxylate (CAS 2432848-93-4)
- 5-Tert-butylthiophene-2-sulfonamide (CAS 142294-56-2)
- 5-Butylthiophene-2-carboxylic acid (CAS 63068-74-6)
- 5-Butylthiophene-2-carbaldehyde (CAS 98954-25-7)
- 5-Tert-butylthiophene-2-sulfonyl chloride (CAS 179400-17-0)
- 3-butylthiophene 3-n-Butylthiophene 34722-01-5 (CAS 34722-01-5)
- 2-tert-Butylthiophene (CAS 1689-78-7)
Recommended Standards
- 4-chloro-6-ethynylthieno[3,2-d]pyrimidine (CAS 552294-21-0)
- 7-chloro-1,3-benzothiazole-4-carbonitrile (CAS 2114224-09-6)
- 3-Chloro-4-propoxybenzenethiol (CAS 90416-32-3)
- 7-chlorothieno[3,2-b]pyridine-2-carbonitrile (CAS 380235-83-6)
- Ethyl 4-bromo-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-imidazole-2-carboxylate (CAS 954125-17-8)
- N-[3-(3,5-difluorobenzoyl)pyridin-2-yl]-2,2-dimethylpropanamide (CAS 1803593-80-7)
- 4-(2,5-Difluorobenzoyl)isoquinoline (CAS 1187167-02-7)
- 7-(4-Fluorophenyl)-5-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 243665-87-4)
- N-(furan-2-ylmethyl)-3-methyl-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carboxamide (CAS 306958-62-3)
- 2-Chloro-N-(2,6-dichlorobenzyl)-N-methylacetamide (CAS 1225784-97-3)
- 1-(4-Hydroxy-3-methoxy-2-nitrophenyl)ethan-1-one (CAS 1260785-45-2)
- 5-Amino-N,2-dimethylbenzenesulfonamide (CAS 6274-17-5)
- 1-(3-Aminoazetidin-1-yl)-2-methoxyethan-1-one (CAS 1272862-50-6)
- Peptide YY (3-36) (human) (CAS 123583-37-9)
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