6-Ethoxy-2-(ethylthio)pyrimidin-4(1H)-one CAS 61636-11-1
| CAS No. | 61636-11-1 |
| Molecular Formula | C8H12N2O2S |
| Molecular Weight | 200.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 6-Ethoxy-2-(ethylthio)pyrimidin-4(1H)-one (C8H12N2O2S) 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 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 200.26 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
6-Ethoxy-2-(ethylthio)pyrimidin-4(1H)-one (CAS 61636-11-1), molecular formula C8H12N2O2S and molecular weight 200.26 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C8H12N2O2S |
| Molecular Weight | 200.26 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.) | 1974 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 6-Amino-2,3-dimethylbenzenesulfonamide (CAS 616224-79-4)
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- 6-Isopropylpyridine-2-sulfonamide (CAS 2089376-94-1)
- 6-(Thiophen-3-yl)-1H-indazole (CAS 281203-98-3)
- 4-(4,5-Dihydro-1h-imidazol-2-yl)-piperidine (CAS 790164-60-2)
- H-D-His-OMe · 2 HCl (CAS 4467-54-3)
- 5-(4-Chlorophenyl)pyrimidine-2-carbonitrile (CAS 625451-84-5)
- 7-Chloro-1,8-naphthyridine-3-carboxylic acid (CAS 933694-01-0)
- 6-Fluoro-2-phenylquinoline-8-carboxamide (CAS 655222-68-7)
- (1R,4r)-4-(boc-amino)cyclopent-2-enecarboxylic acid (CAS 1212306-65-4)
- Methyl N-(2,5-dichlorophenyl)-N-(methylsulfonyl)alaninate (CAS 1008411-74-2)
- Disodium 4-cyanoisothiazole-3,5-dithiolate (CAS 1314229-65-6)
- (R)-2-amino-N-benzyl-3-methylbutanamide (CAS 144902-31-8)
- Des-Pro-Pro-Tirzepatide (CAS CATO-CPTD788696)
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