5-(Benzylthio)pyrimidine-2,4(1H,3H)-dione CAS 21736-44-7
| CAS No. | 21736-44-7 |
| Molecular Formula | C11H10N2O2S |
| Molecular Weight | 234.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Benzylthio)pyrimidine-2,4(1H,3H)-dione (CAS 21736-44-7), molecular formula C11H10N2O2S and molecular weight 234.27 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-(Benzylthio)pyrimidine-2,4(1H,3H)-dione (C11H10N2O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 234.27 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), 5-(Benzylthio)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.
Physical & Chemical Properties
| Molecular Formula | C11H10N2O2S |
| Molecular Weight | 234.27 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Benzylthio Standards
- 2-(Benzylthio)-6-hydroxypyrimidin-4(3H)-one (CAS 148020-95-5)
- (E)-4-((Benzylthio)methylene)-3-methylisoxazol-5(4H)-one (CAS 61861-47-0)
- (Z)-4-((Benzylthio)methylene)-3-methylisoxazol-5(4H)-one (CAS 61861-46-9)
- 3-(Benzylthio)-6-methyl-1,2,4-triazin-5(2H)-one (CAS 5182-37-6)
- 3-(Benzylthio)-6-methyl-1,2,4-triazin-5-ol (CAS 5213-82-1)
- 3-(Benzylthio)azepan-2-one (CAS 88833-17-4)
- 2-(2-(Benzylthio)ethyl)piperidine (CAS 890647-56-0)
- 2-(Benzylthio)-4-chloropyridine (CAS 769163-29-3)
Recommended Standards
- 5-(Benzyloxy)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 63204-39-7)
- 5-(Phenoxymethyl)-2-thiophenecarboxylic Acid (CAS 61855-05-8)
- 5-(6-Amino-5-methylpyridin-3-yl)thiophene-2-carboxylic acid (CAS 872838-45-4)
- 5-[(Phenylsulfanyl)methyl]-2-furoic acid (CAS 79504-96-4)
- 1,2,3-Trimethyl-5-(methylthio)cyclohepta[c]pyrrol-6(2H)-one (CAS 112798-75-1)
- 4-Bromo-3-methoxy-N-methylbenzamide (CAS 1072944-34-3)
- Desacetyl Cefathiamidine (CAS 958001-61-1)
- Tert-butyl ((5-methyl-4-phenyl-4h-1,2,4-triazol-3-yl)methyl)carbamate (CAS 1283108-06-4)
- Ethyl 2-((4-oxo-4H-pyrido[1,2-a][1,3,5]triazin-2-yl)thio)propanoate (CAS 306978-51-8)
- 6-((2-Fluorobenzyl)thio)-9-(tetrahydro-2H-pyran-2-yl)-9H-purine (CAS 3799-60-8)
- 1-Cyclohexyl-N-((1-methyl-1H-pyrazol-4-yl)methyl)methanamine (CAS 1152962-46-3)
- CI acid red 111 (CAS 6358-57-2)
- 2-Cyanoethyl methanesulfonate (CAS 65885-27-0)
- FLAG Epitope Peptide (CAS 98849-88-8)
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