1-(4-Chlorophenyl)-2-thiocyanatoethan-1-one CAS 19339-59-4
| CAS No. | 19339-59-4 |
| Molecular Formula | C9H6ClNOS |
| Molecular Weight | 211.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-Chlorophenyl)-2-thiocyanatoethan-1-one (CAS 19339-59-4), molecular formula C9H6ClNOS and molecular weight 211.67 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H6ClNOS, 1-(4-Chlorophenyl)-2-thiocyanatoethan-1-one contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 211.67 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(4-Chlorophenyl)-2-thiocyanatoethan-1-one 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 | C9H6ClNOS |
| Molecular Weight | 211.67 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 4-(3-Chlorophenyl)-2,3-dihydro-1,3-thiazol-2-one (CAS 1095051-68-5)
- 3-(3-Chlorophenyl)-1,2,4-thiadiazol-5-amine (CAS 1153977-31-1)
- 5-(3-Chlorophenyl)-4H-1,2,4-triazole-3-thiol (CAS 117320-61-3)
- 4-(2-Chlorophenyl)-1,2,3-thiadiazol-5-amine (CAS 1538121-87-7)
- 4-(3-Chlorophenyl)-1,2,3-thiadiazol-5-amine (CAS 1539779-80-0)
- 2-(4-Chlorophenyl)-4(5H)-thiazolone (CAS 1706527-37-8)
- 1-(3-Chlorophenyl)-2-thiocyanatoethan-1-one (CAS 43045-12-1)
- 2-(3-Chlorophenyl)-2,3-dihydro-1,2-thiazol-3-one (CAS 33319-85-6)
Recommended Standards
- 19339-58-3 CTK4E1237 Thiocyanic acid,2-(2-chlorophenyl)-2-oxoethyl ester (CAS 19339-58-3)
- 1-(2-Chlorobenzo[d]thiazol-5-yl)ethanone (CAS 61700-71-8)
- 1-ethyl-5-oxopyrrolidine-3-sulfonyl chloride (CAS 1909312-77-1)
- 1-(2-Chlorobenzo[d]thiazol-6-yl)ethanone (CAS 61700-72-9)
- (2Z)-N-[4-(1H-1,3-Benzodiazol-2-yl)phenyl]-2-[(4-methylphenyl)imino]-2H-chromene-3-carboxamide (CAS 478342-82-4)
- N-Methyl-N-[(2R)-1-phenylpropan-2-yl]prop-2-yn-1-amine N-oxide (CAS 1346616-99-6)
- Acetic acid, rhodium(2+) salt (CAS 5503-41-3)
- 5,8-Dibromo-6-methylisoquinoline (CAS 2383980-14-9)
- Ethyl 5-cyano-6-{[(2,4-dichlorophenyl)methyl]sulfanyl}-2-phenylpyridine-3-carboxylate (CAS 306980-11-0)
- Acedoben Impurity 11 (CAS 142225-84-1)
- 2,4-Bis(4-Fluorophenyl)-3,5-Diphenyl-2,4-Cyclopentadien-1-One (CAS 22818-67-3)
- 2-Hydroxy-4-oxo-4-phenylbutanoic acid (CAS 65245-10-5)
- 3-Hydroxy-4-((2-hydroxypropyl)amino)tetrahydrothiophene 1,1-dioxide (CAS 1218432-84-8)
- PACAP-Related Peptide (PRP), rat (CAS 132769-35-8)
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