6-Methyl-4-thioxo-3,4-dihydropyrimidin-2(1H)-one CAS 638-13-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 638-13-1 |
| Molecular Formula | C5H6N2OS |
| Molecular Weight | 142.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 6-Methyl-4-thioxo-3,4-dihydropyrimidin-2(1H)-one (CAS 638-13-1) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C5H6N2OS. Molecular weight: 142.18 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C5H6N2OS |
| Molecular Weight | 142.18 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 3-Methyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 576-28-3)
- 5-Methyl-4-thioxo-3,4-dihydropyrimidin-2(1H)-one (CAS 35455-79-9)
- 5-Methyl-6-thioxo-5,6-dihydropyrimidin-4(1H)-one (CAS 89322-74-7)
- 6-Methyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 91795-77-6)
- 2-Thioxo-2,3-dihydrothiazole-5-carbonitrile (CAS 56750-17-5)
- 2-thioxo-1,2-dihydropyridine-3-carbonitrile 52505-45-0 ACN-025081 (CAS 52505-45-0)
- 6-methyl-3-thioxo-2H-1,2,4-triazin-5-one (CAS 615-76-9)
- 3-Ethyl-2-thioxo-4-imidazolidinone (CAS 32607-37-7)
Recommended Standards
- Benzenesulfinic Acid (CAS 618-41-7)
- 6-Methoxy-2(1H)-pyrimidinethione (CAS 30020-46-3)
- Methyl 2-Thiophenecarboxylate (CAS 5380-42-7)
- 3-(4-Chloro-2-methylphenyl)-1h-pyrazol-5-amine (CAS 1040724-41-1)
- 2-(2-hYdroxybenzoyl)hydrazinecarboximidamide (CAS 6005-61-4)
- 4-Bromo-2,2-difluoro-1,3-benzodioxole (CAS 144584-66-7)
- 2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl](2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)amino}ethyl N-(4-chlorophenyl)carbamate (CAS 190437-60-6)
- 2-Methyl-8-(trifluoromethyl)quinazolin-4(3H)-one (CAS 1112985-71-3)
- Tert-butyl 2-((tetrahydrofuran-3-yl)methyl)hydrazine-1-carboxylate (CAS 866143-73-9)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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