6-(p-Tolyl)pyrimidine-2,4(1H,3H)-dione CAS 33166-96-0
| CAS No. | 33166-96-0 |
| Molecular Formula | C11H10N2O2 |
| Molecular Weight | 202.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 6-(p-Tolyl)pyrimidine-2,4(1H,3H)-dione 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.
6-(p-Tolyl)pyrimidine-2,4(1H,3H)-dione (CAS 33166-96-0) is a high-purity analytical reference standard with the molecular formula C11H10N2O2 and a molecular weight of 202.21 g/mol.
Based on its molecular formula C11H10N2O2, 6-(p-Tolyl)pyrimidine-2,4(1H,3H)-dione contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 202.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H10N2O2 |
| Molecular Weight | 202.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 2 |
Related p Standards
- 1-(p-Tolyl)pyrazine-2,3(1H,4H)-dione (CAS 1031605-84-1)
- 1-(p-Tolyl)-1H-pyrazole-4-carboxylic acid (CAS 1053085-48-5)
- 5-[1-o-Tolyl-meth-(Z)-ylidene]-imidazolidine-2,4-dione (CAS 115280-70-1)
- 6-(o-Tolyl)pyrimidine-2,4(1H,3H)-dione (CAS 1309609-29-7)
- 1-(P-tolyl)-1H-imidazole-4-carboxylic acid (CAS 14048-60-3)
- 1-(m-Tolyl)-1H-imidazole-4-carboxylic acid (CAS 952958-67-7)
- 1-(p-Tolyl)pyrimidine-2,4(1H,3H)-dione (CAS 22455-92-1)
- 3-(p-Tolyl)pyrimidine-2,4(1H,3H)-dione (CAS 4260-41-7)
Recommended Standards
- 6-(Prop-1-en-2-yl)-[1,3]dioxolo[4,5-f]benzofuran (CAS 23974-65-4)
- 6,7-Dimethyl-4-oxo-4H-chromene-3-carbaldehyde (CAS 57803-07-3)
- 6-(Hydroxymethyl)-2-naphthoic acid (CAS 5859-95-0)
- 6,8-Dimethyl-4-oxo-4H-chromene-3-carbaldehyde (CAS 42059-75-6)
- 3,4-Diphenyl-1-(p-tolyl)-1H-pyrrole-2-carbonitrile (CAS 102755-56-6)
- Anthra[2,1,9-mna]naphth[2,3-h]acridine-5,10,15(16H)-trione (CAS 3271-76-9)
- O-(3,5-Difluorobenzyl)hydroxylamine (CAS 796061-03-5)
- 2-Bromo-4-(trifluoromethyl)-1-vinylbenzene (CAS 402-09-5)
- 1-Allyl-2-imino-5-oxo-N-((tetrahydrofuran-2-yl)methyl)-2,5-dihydro-1H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide (CAS 371205-66-2)
- 5-Bromo-7-methylindoline (CAS 205584-66-3)
- Methyl 7-chloro-2h-chromene-8-carboxylate (CAS 1221723-08-5)
- Bis(trimethylsilyl) sulfate (CAS 18306-29-1)
- N-benzyl-4-(2-methylbenzoyl)-1H-pyrrole-2-carboxamide (CAS 478249-25-1)
- Des-Leu26-Tirzepatide (CAS CATO-CPTD788947)
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