5-Acetyl-2-(diphenylamino)-5-methylthiazol-4(5H)-one CAS 40994-90-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40994-90-9 |
| Molecular Formula | C18H16N2O2S |
| Molecular Weight | 324.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Acetyl-2-(diphenylamino)-5-methylthiazol-4(5H)-one (CAS 40994-90-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C18H16N2O2S. Molecular weight: 324.40 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C18H16N2O2S |
| Molecular Weight | 324.40 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Acetyl Standards
- 2-[(Diphenylamino)methylidene]-2,3-dihydro-1H-indene-1,3-dione (CAS 1023515-74-3)
- 4-(Diphenylamino)benzenesulfonic acid (CAS 303730-29-2)
- 5-((Diphenylamino)methylene)-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 959083-26-2)
- 2-((1-((Diphenylamino)methyl)-1H-1,2,4-triazol-5-yl)thio)acetonitrile (CAS 61691-06-3)
- 2-(4-(Diphenylamino)benzylidene)malononitrile (CAS 40703-88-6)
- Ethyl 2-(diphenylamino)pyrimidine-5-carboxylate (CAS 1316216-05-3)
- 2-(Diphenylamino)-4H-pyrido[3,2-e][1,3]thiazin-4-one (CAS 89374-50-5)
- Ethyl 2-(diphenylamino)-4-methylthiazole-5-carboxylate (CAS 1242267-87-3)
Recommended Standards
- 5-[(4-Methoxyphenyl)sulfanyl]-1-methyl-3-phenyl-1H-pyrazole-4-carbaldehyde (CAS 321998-19-0)
- 5-Methoxy-4-[(2-methoxyphenyl)sulfanyl]-2-phenylpyrimidine (CAS 477872-60-9)
- 5-(4-Allyl-5-thioxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)-1-benzylpyridin-2(1H)-one (CAS 242472-13-5)
- 4-(pyridin-3-yloxy)phenol (CAS 85633-52-9)
- Ro 08-2750 (CAS 37854-59-4)
- N-[6-(trifluoromethyl)piperidin-3-yl]acetamide (CAS 1546318-01-7)
- Pirtobrutinib Impurity 1 (CAS 1571888-11-3)
- n-((5-Bromothiophen-2-yl)methyl)-4-methylpyridin-3-amine (CAS 1342837-04-0)
- 5-(Ethoxycarbonyl)-6-hydroxypyridine-3-sulfonic acid (CAS 334708-06-4)
- Semaglutide impurity 214 (CAS CATO-C4X-2226214)
Why CATO?
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