5-(4-Chlorophenyl)-1-methyl-1H-imidazole-2-thiol CAS 17452-31-2
| CAS No. | 17452-31-2 |
| Molecular Formula | C10H9ClN2S |
| Molecular Weight | 224.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C10H9ClN2S, 5-(4-Chlorophenyl)-1-methyl-1H-imidazole-2-thiol contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 224.71 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
5-(4-Chlorophenyl)-1-methyl-1H-imidazole-2-thiol (CAS 17452-31-2), molecular formula C10H9ClN2S and molecular weight 224.71 g/mol, is a CATO reference standard with documented purity and traceability.
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), 5-(4-Chlorophenyl)-1-methyl-1H-imidazole-2-thiol 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 | C10H9ClN2S |
| Molecular Weight | 224.71 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 4-(3-Chlorophenyl)-2-methylthiazol-5-amine (CAS 1247687-32-6)
- (S)-2-(2-Chlorophenyl)-2,5-dihydrothiophene-3-carbaldehyde (CAS 1255188-94-3)
- (R)-2-(3-Chlorophenyl)-2,5-dihydrothiophene-3-carbaldehyde (CAS 1255188-96-5)
- (R)-2-(4-Chlorophenyl)-2,5-dihydrothiophene-3-carbaldehyde (CAS 1255188-99-8)
- (2-(2-Chlorophenyl)thiazol-4-yl)methanamine (CAS 885280-09-1)
- (2-(3-Chlorophenyl)thiazol-4-yl)methanamine (CAS 775579-08-3)
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- (3-Chlorophenyl)(thiophen-2-yl)methanol (CAS 356552-68-6)
Recommended Standards
- pyrazolo[1,5-a]pyridine-5-sulfonyl chloride (CAS 1610612-89-9)
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- 4-Chloro-2-cyclobutylthieno[2,3-d]pyrimidine (CAS 1478737-15-3)
- 1H-pyrrolo[2,3-c]pyridine-3-sulfonyl chloride (CAS 1781898-49-4)
- 1,4-Bis(hexyloxy)-2,5-diiodobenzene (CAS 153033-31-9)
- (E)-3-(1-Isobutyl-1,2,3,4-tetrahydro-6-quinolinyl)-2-[(4-methylphenyl)sulfonyl]-2-propenenitrile (CAS 866018-67-9)
- 1-{4-[1-(4-chlorophenyl)-1H-pyrazol-5-yl]phenyl}-3,3-dimethylazetidin-2-one (CAS 321998-75-8)
- 4-Bromo-2-(difluoromethyl)-3-methoxypyridine-5-methanol (CAS 1805428-14-1)
- N-(m-PEG4)-N'-(PEG2-acid)-Cy5 (CAS 2107273-24-3)
- N-ethylbut-3-en-1-amine (CAS 782491-42-3)
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- Iloperidone Impurity 31 (CAS 116218-80-5)
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