5-Methyl-6-(phenylthio)-2,4(1H, 3H)-pyrimidiedione CAS 136160-18-4
| CAS No. | 136160-18-4 |
| Molecular Formula | C11H10N2O2S |
| Molecular Weight | 234.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Methyl-6-(phenylthio)-2,4(1H, 3H)-pyrimidiedione (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).
5-Methyl-6-(phenylthio)-2,4(1H, 3H)-pyrimidiedione (CAS 136160-18-4) is a high-purity analytical reference standard with the molecular formula C11H10N2O2S and a molecular weight of 234.27 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.
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.
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.) | 1995 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 3-Methyl-1-(2-(phenylthio)ethyl)-1H-pyrazol-5(4H)-one (CAS 55294-10-5)
- 2-(Phenylthio)-1-(thiophen-2-yl)ethan-1-one (CAS 40027-96-1)
- 1-(1-(Phenylthio)cyclopropyl)cyclopentanol (CAS 70910-84-8)
- 2-(Phenylthio)-1-(piperidin-1-yl)ethan-1-one (CAS 78365-67-0)
- Bis(phenylthio)methane (CAS 3561-67-9)
- Methyl(4-(phenylthio)phenyl)sulfane (CAS 33932-80-8)
- 5-((Phenylthio)methyl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1538332-85-2)
- 3-(Phenylthio)phthalonitrile (CAS 51762-68-6)
Recommended Standards
- 3-Butyl-1-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 1354939-38-0)
- 3-(4-(Hydroxymethyl)phenyl)thiophene-2-carboxylic acid (CAS 1365968-90-6)
- 3-Butyl-1-(2-fluorophenyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 1354939-32-4)
- 2-(4-(Hydroxymethyl)phenyl)thiophene-3-carboxylic acid (CAS 1365988-22-2)
- 1-(3,4-Dimethylphenyl)-3-(4-(2-methoxyphenoxy)but-2-yn-1-yl)urea (CAS 1426314-76-2)
- Isobutylbenzene (CAS 538-93-2)
- 3-Bromo-4-(prop-2-en-1-yloxy)benzaldehyde (CAS 724746-23-0)
- Ethyl 2-(2-bromobenzo[d]thiazol-6-yl)acetate (CAS 1422170-05-5)
- 2-(4-(1H-Pyrrol-1-yl)phenyl)acetic acid (CAS 22048-71-1)
- 4-(1,1-Dioxido-2H-benzo[e][1,2,4]thiadiazin-3-yl)benzoic acid (CAS 1355175-69-7)
- (S)-3-(Difluoromethyl)tetrahydrofuran-3-ol (CAS 2381841-30-9)
- 917562-04-0 5,8-Dichloro-2-methylquinolin-4-amine DTXSID20588916 (CAS 917562-04-0)
- Ethyl 2-([1,1'-biphenyl]-4-yl)indolizine-1-carboxylate (CAS 477870-16-9)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
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