2-Thioxo-6-(p-tolyl)-2,3-dihydropyrimidin-4(1H)-one CAS 33166-86-8
| CAS No. | 33166-86-8 |
| Molecular Formula | C11H10N2OS |
| Molecular Weight | 218.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Thioxo-6-(p-tolyl)-2,3-dihydropyrimidin-4(1H)-one (CAS 33166-86-8) is a high-purity analytical reference standard with the molecular formula C11H10N2OS and a molecular weight of 218.27 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 2-Thioxo-6-(p-tolyl)-2,3-dihydropyrimidin-4(1H)-one is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 218.27 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-Thioxo-6-(p-tolyl)-2,3-dihydropyrimidin-4(1H)-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 | C11H10N2OS |
| Molecular Weight | 218.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Thioxo Standards
- 2-Thioxo-3-(p-tolyl)-2,3-dihydropyrimidin-4(1H)-one (CAS 104369-37-1)
- 1-Benzyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 1208-14-6)
- 2-Thioxo-1',3'-dihydrospiro[imidazolidine-4,2'-inden]-5-one (CAS 1552483-08-5)
- 2-Thioxo-2,3-dihydro-[1,2,4]triazolo[5,1-b]quinazolin-9(1H)-one (CAS 134878-94-7)
- 4-Thioxo-3,4-dihydro-[1,2,4]triazino[4,5-b]indazol-1(2H)-one (CAS 91545-23-2)
- 1-Ethyl-3-thioxo-2,3,5,6,7,8-hexahydroisoquinoline-4-carbonitrile (CAS 95546-97-7)
- 6-Thioxo-3,4,5,6-tetrahydro-2H-1,4-ethano-1,5-naphthyridine-7-carbonitrile (CAS 125366-05-4)
- 1-Thioxo-2,3-dihydro-[1,2,4]triazino[4,5-a]indol-4(1H)-one (CAS 65873-44-1)
Recommended Standards
- 2-Amino-N-phenylthiophene-3-carboxamide (CAS 50273-33-1)
- 3-(3-Methoxybenzoyl)thiophene (CAS 861223-63-4)
- 2-Amino-5-phenyl-3-thiophenecarboxamide (CAS 4815-35-4)
- 3-(4-Methylphenyl)thiophene-2-carboxylic acid (CAS 91368-47-7)
- (S)-2-(Methylamino)-2-phenylacetonitrile (CAS 1333168-03-8)
- (2S,11aS)-Fmoc-2-amino-10-carboxymethyl-1,2,3,11a-tetrahydro-10H-pyrrolo[2,1-c][1,4]-benzodiazepine- (CAS 182624-46-0)
- 4-(Chloromethyl)-6,7-dimethyl-2H-1-benzopyran-2-one (CAS 146463-74-3)
- Sodium (E)-2-(benzylideneamino)acetate (CAS 74471-68-4)
- 2-Amino-3-chloro-4-(trifluoromethyl)pyridine (CAS 1227513-97-4)
- 4-(3-(Difluoromethoxy)phenyl)pyrimidine-2-thiol (CAS 675827-55-1)
- (5,7-Dimethylpyrazolo[1,5-a]pyrimidin-2-yl)methanol (CAS 1328640-89-6)
- tert-Butyl 3-hydroxy-3-(sulfanylmethyl)piperidine-1-carboxylate (CAS 959701-68-9)
- N-(3-Acetylphenyl)-2,2,2-trifluoroacetamide (CAS 56915-87-8)
- Semaglutide impurity 109 (CAS CATO-C4X-2226109)
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