6-Hydroxy-2-thioxo-5-(p-tolyldiazenyl)-2,3-dihydropyrimidin-4(1H)-one CAS 36137-21-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 36137-21-0 |
| Molecular Formula | C11H10N4O2S |
| Molecular Weight | 262.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Hydroxy-2-thioxo-5-(p-tolyldiazenyl)-2,3-dihydropyrimidin-4(1H)-one (CAS 36137-21-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H10N4O2S. Molecular weight: 262.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H10N4O2S |
| Molecular Weight | 262.29 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 4,4,4-Trifluoro-2-(4-methoxyphenyl)-3-oxobutanenitrile (CAS 22102-05-2)
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- 2-Amino-3-ethynylpyridine (CAS 67346-74-1)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-((4-(trifluoromethyl)benzyl)oxy)pyridine (CAS 1346708-11-9)
- 2,3,5-Triphenyltetrazolium Iodide (CAS 13014-90-9)
- 3-(Dimethylamino)-4-hydroxybenzamide (CAS 1243456-49-6)
- MOTS-c Peptide (CAS 1627580-64-6)
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