19816-85-4 Toluene-4-sulfonic acid dibenzyl-|A-ylidenehydrazone p-Toluenesulfonic acid (1,2-diphenylethylidene)hydrazide CAS 19816-85-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19816-85-4 |
| Molecular Formula | C21H38N2O2S |
| Molecular Weight | 382.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 19816-85-4 Toluene-4-sulfonic acid dibenzyl-|A-ylidenehydrazone p-Toluenesulfonic acid (1,2-diphenylethylidene)hydrazide (CAS 19816-85-4) pharmaceutical standards reference standard. Molecular formula: C21H38N2O2S. Molecular weight: 382.60 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C21H38N2O2S |
| Molecular Weight | 382.60 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.) | 1962 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Toluene Standards
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- Methyl 1-(toluene-4-sulphonyl)-5-(trifluoromethyl)-4-azaindole-2-carboxylate (CAS 952182-33-1)
- Toluene-4-sulfonic acid 2-(4-hydroxy-7a-methyl-octahydro-inden-1-yl)-propyl ester (CAS 111924-49-3)
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Recommended Standards
- N-(5-(5-Bromofuran-2-yl)-1,3,4-oxadiazol-2-yl)-2-(2-chlorophenyl)acetamide (CAS 1209092-52-3)
- ((4-((4-Ethynylphenyl)ethynyl)phenyl)-ethynyl)triisopropylsilane (CAS 176977-37-0)
- 4,4＇-Butylidenebis(6-tert-butyl-m-cresol) (CAS 85-60-9)
- (E)-[(3-Nitrophenyl)methylidene]amino N-phenylcarbamate (CAS 39089-86-6)
- 1-[1-Methyl-3-phenyl-5-(phenylsulfanyl)-1H-pyrazol-4-yl]-2-heptyn-1-ol (CAS 318949-14-3)
- N-(4-chloro-3-nitrophenyl)-2-(4-cinnamylpiperazin-1-yl)acetamide (CAS 329080-37-7)
- Abemaciclib Impurity 36 (CAS CATO-C4X-293736)
- (E)-4-(((3-Chlorophenyl)amino)methylene)-2-(p-tolyl)oxazol-5(4H)-one (CAS 380645-27-2)
- 5-Chloroindoline-2-carboxylic acid (CAS 10241-98-2)
- Insulin Degludec Impurity 13 (CAS CATO-C4X-215713)
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