4-Chloro-3-(4-(4-(dimethylamino)benzylidene)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid CAS 65036-66-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 65036-66-0 |
| Molecular Formula | C19H18ClN3O4S |
| Molecular Weight | 419.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chloro-3-(4-(4-(dimethylamino)benzylidene)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid (CAS 65036-66-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H18ClN3O4S. Molecular weight: 419.88 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H18ClN3O4S |
| Molecular Weight | 419.88 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- (2-Chloro-6-fluorophenyl)(3-(5-(2-fluorophenyl)-1,3,4-thiadiazol-2-yl)piperidin-1-yl)methanone (CAS 1351602-45-3)
- 2-Chloro-N-(1-((R)-2,3-dihydroxypropyl)-2-oxo-1,2,3,4-tetrahydroquinolin-3-yl)-6H-thieno[2,3-b]pyrrole-5-carboxamide (CAS 918902-32-6)
- 7-Chloro-3-(diethylamino)-1-((dimethylamino)(hydroxy)methyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-6-sulfonamide (CAS 87296-75-1)
- 2N-765 3-chloro-5-(trifluoromethyl)-2-({4-[(2,4,6-trimethylphenyl)methoxy]phenyl}methyl)pyridine 338402-27-0 (CAS 338402-27-0)
- 5-(3-Chloro-2-methylphenyl)-2-phenyl-3-(pyridin-3-yl)tetrahydro-4H-pyrrolo[3,4-d]isoxazole-4,6(5H)-dione (CAS 1005103-62-7)
- 2-(4'-Chloro-[1,1'-biphenyl]-4-yl)-4,6-diphenyl-1,3,5-triazine (CAS 1443049-86-2)
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- 6-((3-Chloro-4-methylphenyl)sulfonyl)-6H-dibenzo[c,e][1,2]thiazine 5,5-dioxide (CAS 1797296-31-1)
Recommended Standards
- Ethyl 3-(((((4-chlorobenzyl)oxy)amino)methylene)amino)-4-methoxythieno[2,3-b]pyridine-2-carboxylate (CAS 341966-57-2)
- 125305-20-6 2-(2,2-Dimethyl-1-oxopropoxy)benzoic Acid Ethyl Ester 2-O-tert-Butoxycarbonyl-benzoic Acid Ethyl Ester (CAS 125305-20-6)
- 2-((4-Amino-5-(4-chlorophenyl)-4H-1,2,4-triazol-3-yl)thio)-N-(3,5-dimethoxyphenyl)acetamide (CAS 568548-60-7)
- N-methoxy-N,4-dimethylthiazole-5-carboxamide (CAS 1343082-83-6)
- Ruthenium, [[1,1'-binaphthalene]-2,2'-diylbis[diphenylphosphine-κP]]dichloro(1,2-ethanediamine-κN,κN')- (CAS 899821-59-1)
- 2-(4-(Benzyl(ethyl)amino)piperidin-1-yl)acetic acid (CAS 1353951-40-2)
- 3-Allyl-2-((2-chloro-6-fluorobenzyl)thio)-6-(trifluoromethyl)pyrimidin-4(3H)-one (CAS 866143-19-3)
- L-Arginine--3-methyl-2-oxopentanoic acid (CAS 72090-04-1)
- Cyclohexyl(3,5-difluorophenyl)methanone (CAS 898769-58-9)
- D-[Phe6]-Semaglutide (CAS CATO-C4X-2226213)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com