4-(4-(1-(3-Ethylbenzo[d]thiazol-2(3H)-ylidene)propan-2-ylidene)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid CAS 31994-53-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31994-53-3 |
| Molecular Formula | C22H21N3O4S2 |
| Molecular Weight | 455.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(4-(1-(3-Ethylbenzo[d]thiazol-2(3H)-ylidene)propan-2-ylidene)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid (CAS 31994-53-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C22H21N3O4S2. Molecular weight: 455.55 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C22H21N3O4S2 |
| Molecular Weight | 455.55 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Ethylbenzo Standards
- 1-(6-Ethylbenzo[d]thiazol-2-yl)-5-(furan-2-yl)-3-hydroxy-4-(5-methylfuran-2-carbonyl)-1,5-dihydro-2H-pyrrol-2-one (CAS 618416-45-8)
- 6-(2-(3-(3-Ethylbenzo[d]oxazol-3-ium-2-yl)allylidene)benzo[d]oxazol-3(2H)-yl)hexanoate (CAS 260430-02-2)
- 2-(5-(1-(3-Ethylbenzo[d]thiazol-2(3H)-ylidene)propan-2-ylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetic acid (CAS 34431-79-3)
- 2-(5-(2-(3-Ethylbenzo[d]oxazol-2(3H)-ylidene)ethylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetic acid (CAS 23236-18-2)
- 1,2-Bis(3-ethylbenzo[d]thiazol-2(3H)-ylidene)hydrazine (CAS 2814-60-0)
- 5-(3-Ethylbenzo[d]oxazol-2(3H)-ylidene)-3-phenyl-2-thioxothiazolidin-4-one (CAS 25962-16-7)
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Recommended Standards
- 3-[1-[(1R)-1,2-Dihydro-1-acenaphthylenyl]-4-piperidinyl]-2,3-dihydro-2-oxo-1H-benzimidazole-1-acetic Acid Ethyl Ester (CAS 610323-29-0)
- Ethyl 4-cyano-5-{2-[(3-cyano-6-methyl-5,6,7,8-tetrahydro-1,6-naphthyridin-2-yl)sulfanyl]acetamido}-3-methylthiophene-2-carboxylate (CAS 488793-00-6)
- 1-Cyclohexyl-2-imino-10-methyl-5-oxo-N-(1-phenylethyl)-2,5-dihydro-1H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide (CAS 618078-34-5)
- 3-Amino-N-(3-chloro-phenyl)-4-methyl-benzenesulfonamide (CAS 326023-04-5)
- 2-(dibutylamino)ethanol (CAS 102-81-8)
- 545349-40-4 3-Chloro-N-(5-nitropyridin-2-yl)propanamide MFCD03388031 (CAS 545349-40-4)
- 1-(Difluoromethyl)-5-(methoxymethyl)-1H-pyrazole (CAS 1856041-63-8)
- N-(4-Aminophenyl)propanamide hydrochloride (CAS 1171829-70-1)
- [(1S)-1-[(7-bromo-2,3-dioxo-1,4-dihydroquinoxalin-5-yl)methylamino]ethyl]phosphonic acid (CAS 206648-13-7)
- Insulin Degludec Impurity 5 (CAS CATO-C4X-21575)
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