1-(5-Chloro-2-methylphenyl)-4,4-dimethyl-1,4-dihydropyrimidine-2-thiol CAS 1142212-27-8
| CAS No. | 1142212-27-8 |
| Molecular Formula | C13H15ClN2S |
| Molecular Weight | 266.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(5-Chloro-2-methylphenyl)-4,4-dimethyl-1,4-dihydropyrimidine-2-thiol (CAS 1142212-27-8) is a high-purity analytical reference standard with the molecular formula C13H15ClN2S and a molecular weight of 266.79 g/mol.
Based on its molecular formula C13H15ClN2S, 1-(5-Chloro-2-methylphenyl)-4,4-dimethyl-1,4-dihydropyrimidine-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 266.79 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).
As a certified reference material (CRM), 1-(5-Chloro-2-methylphenyl)-4,4-dimethyl-1,4-dihydropyrimidine-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 | C13H15ClN2S |
| Molecular Weight | 266.79 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.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 4-Chloro-2-isopropyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine (CAS 1017086-54-2)
- 4-Chloro-2-isobutyl-6,7-dihydro-5h-cyclopenta[4,5]thieno[2,3-d]pyrimidine (CAS 1041602-25-8)
- 1-(3-Chloro-2-methylphenyl)-4,4-dimethyl-1,4-dihydropyrimidine-2-thiol (CAS 1142212-23-4)
- 1-(3-Chloro-4-methylphenyl)-4,4-dimethyl-1,4-dihydropyrimidine-2-thiol (CAS 1142212-25-6)
- 2-Butyl-4-chloro-6,7-dihydro-5h-cyclopenta[4,5]thieno[2,3-d]pyrimidine (CAS 1501372-11-7)
- 5-Chloro-1-cyclohexyl-1H-benzo[d]imidazole-2-thiol (CAS 298684-28-3)
- Methyl 4-chloro-3-((trimethylsilyl)ethynyl)benzoate (CAS 1429617-94-6)
- 2-Chloro-4-[2-(1-isopropyl-piperidin-2-yl)-ethyl]-pyridine (CAS 1316217-78-3)
Recommended Standards
- 1160248-96-3 6-(1,1-Dimethylpropyl)-1-benzothiophene-3-carbonyl chloride MFCD12197877 (CAS 1160248-96-3)
- 1-(2-Chlorophenyl)-N-((4-methylthiazol-2-yl)methyl)ethan-1-amine (CAS 1184385-05-4)
- 1-((3-Chlorobenzo[b]thiophen-2-yl)methyl)piperazine (CAS 885531-68-0)
- 865431-95-4 N-(1-Benzylpiperidin-4-yl)-2-chloroacetamide MFCD01480527 (CAS 865431-95-4)
- 3-(3-iodo-phenyl)-3-oxo-propionic acid (CAS 335256-30-9)
- 4-(2-Chloroacetyl)-N,N-dimethyl-1H-pyrrole-2-carboxamide (CAS 115027-25-3)
- (2R,3S,4R,5R)-2-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diyl diacetate (CAS 21016-88-6)
- 6-(Benzyloxy)-7-methoxyquinazoline-2,4(1H,3H)-dione (CAS 60547-99-1)
- 2-((2-Methylpiperidin-1-yl)methyl)benzaldehyde (CAS 1443336-82-0)
- Phenacetin Impurity 2 (CAS 65570-13-0)
- 5H-Benzo[d]pyrido[2,3-b]azepin-6(7H)-one (CAS 1421438-85-8)
- tert-Butyl (4-ethynylthiazol-2-yl)carbamate (CAS 815610-14-1)
- 2-Chloro-5-(2-methylphenyl)benzoic acid (CAS 1184525-11-8)
- MCH-Gene-Overprinted-Polypeptide-14 (rat) (H-4746.0500) (CAS 182917-44-8)
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