(4-Chloro-phenylsulfanyl)-acetaldehyde CAS 105126-88-3
| CAS No. | 105126-88-3 |
| Molecular Formula | C8H7ClOS |
| Molecular Weight | 186.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (4-Chloro-phenylsulfanyl)-acetaldehyde.
(4-Chloro-phenylsulfanyl)-acetaldehyde (CAS 105126-88-3), molecular formula C8H7ClOS and molecular weight 186.66 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (4-Chloro-phenylsulfanyl)-acetaldehyde (C8H7ClOS) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 186.66 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.
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), (4-Chloro-phenylsulfanyl)-acetaldehyde 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 | C8H7ClOS |
| Molecular Weight | 186.66 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 4-Chloro-5-methyl-5,7-dihydrothieno[3,4-d]pyrimidine (CAS 1001123-70-1)
- 3-Chloro-2-(methylsulfanyl)benzaldehyde (CAS 1033574-03-6)
- 4-Chloro-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidine (CAS 111896-68-5)
- 4-Chloro-5-methylpyridine-2-carbothioamide (CAS 1257211-15-6)
- 7-Chloro-2,3-dihydro-1H-pyrido[2,3-b][1,4]thiazine (CAS 1259513-96-6)
- 3-Chloro-5-(methylthio)benzaldehyde (CAS 1289164-92-6)
- 4-Chloro-3-(methylthio)benzaldehyde (CAS 1289208-98-5)
- 3-Chloro-5H,7H,8H-thiopyrano[4,3-c]pyridazine (CAS 1344299-39-3)
Recommended Standards
- 2-((3-Chlorophenyl)thio)acetaldehyde (CAS 1082574-04-6)
- 4-Butyl-2-chloro-1-fluorobenzene (CAS 2432848-87-6)
- 2-((2-Chlorophenyl)thio)acetaldehyde (CAS 1247648-32-3)
- 1-(4-Chlorobutyl)-4-fluorobenzene (CAS 54540-58-8)
- 1-Boc-2,6-dimethylpiperazine (CAS 688363-66-8)
- 2-((4-(Methylsulfonyl)phenyl)thio)acetaldehyde (CAS 1343509-11-4)
- L-Aspartic Acid-15N (CAS 3715-16-0)
- Piperazine Citrate Hydrate (CAS 144-29-6)
- 4-Isopropyl-3-methylaniline hydrochloride (CAS 4534-11-6)
- 3-Aminoisoquinoline-6-carboxylic acid (CAS 1337880-79-1)
- 5-(Chloromethyl)nicotinaldehyde (CAS 1196157-43-3)
- 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride (CAS 126674-98-4)
- Methyl 2-chloro-4-(furan-2-yl)benzoate (CAS 1414029-18-7)
- D-[His]1-Semaglutide (CAS CATO-C4X-222652)
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