(2,5-Dichlorothiophen-3-yl)(phenyl)methanone CAS 99971-87-6
| CAS No. | 99971-87-6 |
| Molecular Formula | C11H6Cl2OS |
| Molecular Weight | 257.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (2,5-Dichlorothiophen-3-yl)(phenyl)methanone 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.
(2,5-Dichlorothiophen-3-yl)(phenyl)methanone (CAS 99971-87-6) is a high-purity analytical reference standard with the molecular formula C11H6Cl2OS and a molecular weight of 257.14 g/mol.
Structurally, (2,5-Dichlorothiophen-3-yl)(phenyl)methanone (C11H6Cl2OS) 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 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 257.14 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
Physical & Chemical Properties
| Molecular Formula | C11H6Cl2OS |
| Molecular Weight | 257.14 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Dichlorothiophen Standards
- 1-(2,5-Dichlorothiophen-3-yl)-3-(dimethylamino)propan-1-ol (CAS 439110-94-8)
- 4-(2,5-Dichlorothiophen-3-yl)-4-oxobutanoic acid (CAS 19945-43-8)
- Ethyl 2-(2,5-dichlorothiophen-3-yl)-2-oxoacetate (CAS 32766-64-6)
- 6-(2,5-Dichlorothiophen-3-yl)pyrimidine-2(1H)-thione (CAS 338415-91-1)
- (E)-1-(2,5-dichlorothiophen-3-yl)-3-(dimethylamino)prop-2-en-1-one (CAS 166196-79-8)
- 4-(2,5-Dichlorothiophen-3-yl)-N-methylthiazol-2-amine (CAS 1014452-85-7)
- 4-(2,5-Dichlorothiophen-3-yl)-2,2-dimethylbutanoic acid (CAS 1496679-65-2)
- 1-(2,5-Dichlorothiophen-3-yl)-2-phenylethan-1-one (CAS 99979-31-4)
Recommended Standards
- 1-Bromo-4-(1-fluorocyclohexyl)benzene (CAS 1779769-73-1)
- (2,6-Dichlorophenyl)(thiophen-3-yl)methanone (CAS 898771-68-1)
- 5-Chloro-3-isopropyl-1-methyl-1H-pyrazole-4-sulfonyl chloride (CAS 145980-84-3)
- (3,5-Dichlorophenyl)(thiophen-3-yl)methanone (CAS 898771-58-9)
- 2-Methyl-6-(p-tolyl)quinoline-3-carboxylic acid (CAS 229008-26-8)
- 7-Ethoxy-4-hydroxy-6-nitroquinoline-3-carbonitrile (CAS 214476-08-1)
- 5-(tert-Butyl)-3-cyclopropoxy-2-fluoropyridine (CAS 1243448-30-7)
- Pyrroloquinoline Impurity 3 (CAS 107575-59-7)
- 2-Methoxy-N-(5-methylisoxazol-4-yl)acetamide (CAS 103747-72-4)
- 2-Bromo-6-butoxynaphthalene (CAS 66217-20-7)
- BENZYL 3-HYDROXY-3-PHENYLPROPYLCARBAMATE (CAS 1823228-28-9)
- 7-Bromo-1H,2h,3h-pyrrolo[3,2-c]pyridin-2-one (CAS 1788054-65-8)
- Tucatinib Impurity 35 (CAS CATO-C4X-260535)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
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