1-(2-Chlorophenyl)-2-Thiourea CAS 5344-82-1
| CAS No. | 5344-82-1 |
| Molecular Formula | C7H7ClN2S |
| Molecular Weight | 186.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-(2-Chlorophenyl)-2-Thiourea 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.
1-(2-Chlorophenyl)-2-Thiourea (CAS 5344-82-1) is a high-purity analytical reference standard with the molecular formula C7H7ClN2S and a molecular weight of 186.66 g/mol.
Based on its molecular formula C7H7ClN2S, 1-(2-Chlorophenyl)-2-Thiourea contains a nitrile group, sulfur-containing functionality, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 186.66 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C7H7ClN2S |
| Molecular Weight | 186.66 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 2-((3-Chlorophenyl)thio)acetaldehyde (CAS 1082574-04-6)
- 2-((2-Chlorophenyl)thio)acetaldehyde (CAS 1247648-32-3)
- 1-(4-Chlorophenyl)-2-mercaptoethanone (CAS 23081-12-1)
- 1-(4-Chlorophenyl)thiourea (CAS 3696-23-9)
- N-(3-Chlorophenyl)thiourea (CAS 4947-89-1)
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Recommended Standards
- Busulfan Impurity 7 (CAS 26910-61-2)
- 4-chloro-3,5-diazatricyclo[6.2.1.0²,⁷]undeca-2,4,6-triene (CAS 1037776-03-6)
- 764-08-9 CTK2G7807 Chlorosulfuric acid, 2,2-dimethylpropyl ester (CAS 764-08-9)
- (5R)-5-(3-Chloroprop-1-en-2-yl)-2-methylcyclohexanone (CAS 123315-86-6)
- 2-(4-ethoxy-1H-indol-3-yl)acetonitrile (CAS 30036-17-0)
- 6-methylsulfanyl-1,2-dihydropyrazolo[3,4-d]pyrimidin-3-one (CAS 100047-42-5)
- 4-[2-(2,3-Dimethylphenoxy)ethyl]piperidinehydrochloride (CAS 1220019-71-5)
- (E)-4-(3-hydroxyprop-1-en-1-yl)phenyl acetate (CAS 94723-93-0)
- Tert-butyl 6-oxo-2,5-diazaspiro[3.5]Nonane-2-carboxylate (CAS 2375528-15-5)
- Levosimendan Impurity 66 (CAS CATO-C4X-130866)
- 2-(5-Amino-3-(cyclopropylmethyl)-1h-pyrazol-1-yl)ethan-1-ol (CAS 1250988-81-8)
- 2-Chloro-n-[(2-chlorophenyl)methyl]propanamide (CAS 923163-06-8)
- 2-((1-Methyl-1H-pyrazol-4-yl)amino)cyclohexan-1-ol (CAS 1524225-33-9)
- Acetyl-Exenatide trifluoroacetate salt (CAS 305815-28-5)
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