3,6-Dimethylpyrimidine-2,4(1H,3H)-dione CAS 19674-60-3
| CAS No. | 19674-60-3 |
| Molecular Formula | C6H8N2O2 |
| Molecular Weight | 140.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
3,6-Dimethylpyrimidine-2,4(1H,3H)-dione (CAS 19674-60-3) is a high-purity analytical reference standard with the molecular formula C6H8N2O2 and a molecular weight of 140.14 g/mol.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 3,6-Dimethylpyrimidine-2,4(1H,3H)-dione is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 140.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C6H8N2O2 |
| Molecular Weight | 140.14 g/mol |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
Related Dimethylpyrimidine Standards
- 1,6-Dimethylpyrimidine-2,4(1H,3H)-dione (CAS 1627-27-6)
- 2,6-Dimethylpyrimidine-4-thiol (CAS 57235-36-6)
- 4,5-Dimethylpyrimidine-2-thiol (CAS 64942-98-9)
- N4,2-Dimethylpyrimidine-4,6-diamine (CAS 14538-81-9)
- N4,6-dimethylpyrimidine-4,5-diamine (CAS 14675-45-7)
- N5,6-Dimethylpyrimidine-4,5-diamine (CAS 15996-42-6)
- N4,2-Dimethylpyrimidine-4,5-diamine (CAS 15996-50-6)
- 2,6-Dimethylpyrimidine-4,5-diamine (CAS 52602-70-7)
Recommended Standards
- 5-(Methoxymethyl)furan-2-carbaldehyde (CAS 1917-64-2)
- 1-Methyl-1h-pyrazole-5-carbohydrazide (CAS 197079-02-0)
- 5-(2-Hydroxyethyl)pyrimidin-4(1H)-one (CAS 19144-69-5)
- 5-(1-Hydroxyethyl)furan-3-carbaldehyde (CAS 197965-36-9)
- Ethyl 3-formylpyrazolo[1,5-a]pyridine-2-carboxylate (CAS 151831-22-0)
- 3-(Difluoromethyl)-6-formyl-4-hydroxypicolinonitrile (CAS 1806986-87-7)
- 120462-47-7 Ganoderenic acid F (CAS 120462-47-7)
- (2-(Difluoromethyl)-5-fluoropyridin-4-yl)methanamine (CAS 1805277-06-8)
- 6,6-Difluoro-4-(isobutoxycarbonyl)-2-azabicyclo[3.1.0]Hexane-2-carboxylic acid (CAS 1258639-92-7)
- 5-Bromo-N3-(2-methoxyethyl)pyridine-2,3-diamine (CAS 2230201-15-5)
- 8-Chloro-2-methylquinoline-3-carboxylic acid (CAS 1089898-90-7)
- 1-Chloronaphthalene-5-boronic acid (CAS 2142655-40-9)
- 2-(4-Methyl-1,4-diazepane-1-carbonyl)aniline (CAS 1042522-74-6)
- Amyloid Precursor Frameshift Mutant C-Terminal Peptide trifluoroacetate salt (CAS 189125-14-2)
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