5-(Mercaptomethyl)pyrimidine-2,4(1H,3H)-dione CAS 4874-36-6
| CAS No. | 4874-36-6 |
| Molecular Formula | C5H6N2O2S |
| Molecular Weight | 158.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, 5-(Mercaptomethyl)pyrimidine-2,4(1H,3H)-dione is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 158.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
5-(Mercaptomethyl)pyrimidine-2,4(1H,3H)-dione (CAS 4874-36-6) is a high-purity analytical reference standard with the molecular formula C5H6N2O2S and a molecular weight of 158.18 g/mol.
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.
CATO manufactures 5-(Mercaptomethyl)pyrimidine-2,4(1H,3H)-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H6N2O2S |
| Molecular Weight | 158.18 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 |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Mercaptomethyl Standards
- 5-(Mercaptomethyl)furan-3-carboxylic acid (CAS 1250542-77-8)
- 5-(Mercaptomethyl)furan-2-carboxylic acid (CAS 88511-94-8)
- Methyl 2-[1-(Mercaptomethyl)cyclopropyl]acetate (CAS 152922-73-1)
- 3,3-Bis-mercaptomethyl-oxetane (CAS 6246-03-3)
- 4-(Mercaptomethyl)benzamide (CAS 285992-30-5)
- (4-(Mercaptomethyl)phenyl)boronic acid (CAS 847801-60-9)
- 3-(mercaptomethyl)benzoic acid (CAS 28162-88-1)
- 4-(Mercaptomethyl)benzoic Acid (CAS 39088-65-8)
Recommended Standards
- 5-(Methylamino)thiazole-4-carboxylic acid (CAS 933751-45-2)
- 5-(Hydroxymethyl)thiophene-3-carboxylic acid (CAS 25744-99-4)
- 5-(Methylthio)furan-2-carboxylic acid (CAS 21984-78-1)
- 5-(Hydroxymethyl)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 93185-31-0)
- 4-Amino-3-bromo-5-fluorobenzamide (CAS 1357943-94-2)
- 3-(2-(Chloromethyl)phenoxy)-N,N-dimethylpropan-1-amine hydrochloride (CAS 930111-03-8)
- 5-Hydroxy-3,3,6-trimethyl-2,3-dihydro-1H-inden-1-one (CAS 478010-70-7)
- (S)-2-((2-(Allyloxy)phenoxy)methyl)oxirane (CAS 66966-20-9)
- 1-2-3-4-6-Penta-O-acetyl-α-D-thiogalactopyranose (CAS 130796-15-5)
- 2’,5’-Dimethoxy-2-hydroxyacetophenone (CAS 35962-16-4)
- 5-(Pyridin-2-yl)-4,5-dihydroisoxazole (CAS 232945-48-1)
- [S(R)]-N-[(S)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]phenylmethyl]-2-methyl-2-propanesulfinamide (CAS 2565792-39-2)
- Dotinurad Impurity 166 (CAS CATO-C4X-2494166)
- Semaglutide impurity 76 (CAS CATO-C4X-222676)
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