6-[1-(3-Chlorophenyl)-1H-pyrazol-5-yl]-2-(3-methoxyphenyl)-4-methyl-2,3,4,5-tetrahydro-1,2,4-triazine-3,5-dione CAS 321538-33-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321538-33-4 |
| Molecular Formula | C20H16ClN5O3 |
| Molecular Weight | 409.83 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-[1-(3-Chlorophenyl)-1H-pyrazol-5-yl]-2-(3-methoxyphenyl)-4-methyl-2,3,4,5-tetrahydro-1,2,4-triazine-3,5-dione (CAS 321538-33-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H16ClN5O3. Molecular weight: 409.83 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H16ClN5O3 |
| Molecular Weight | 409.83 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Chlorophenyl Standards
- 3-(2-Chlorophenyl)-N-{[3-(4-methoxyphenyl)-1,2-oxazol-5-yl]methyl}-1,2-oxazole-5-carboxamide (CAS 338750-11-1)
- 3-(4-Chlorophenyl)-5,6-bis(furan-2-yl)-4-imino-1H,2H,3H,4H-furo[2,3-d]pyrimidine-2-thione (CAS 685106-51-8)
- 3-(2-((4-Chlorophenyl)sulfonamido)phenoxy)thiophene-2-carboxylic acid (CAS 900019-15-0)
- 3-(4-((4-Chlorophenyl)sulfonamido)phenoxy)thiophene-2-carboxylic acid (CAS 882747-65-1)
- (4Z)-1-(4-Chlorophenyl)-3-ethoxy-4-({[3-(trifluoromethyl)phenyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one (CAS 338751-18-1)
- 11-(3-Chlorophenyl)-2,3-dimethoxy-5,11,12,12a-tetrahydropyrazolo[3',4':4,5]pyrido[2,1-a]isoquinolin-8(6H)-one (CAS 860788-93-8)
- N-[(4-Chlorophenyl)methyl]-2-{4-oxo-7-phenyl-3H,4H-thieno[3,2-d]pyrimidin-3-yl}acetamide (CAS 1105207-02-0)
- N-(3-chlorophenyl)-2-(2-oxo-5-(piperidin-1-ylsulfonyl)pyridin-1(2H)-yl)acetamide (CAS 1251593-55-1)
Recommended Standards
- (R)-5-Chloro-α-(cyclopropylethynyl)-2-[[(4-methoxyphenyl)methyl]amino]-α-(trifluoromethyl)benzenemethanol (CAS 1217701-95-5)
- Telantinib (CAS 332012-40-5)
- (4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)(2-phenylcyclopropyl)methanone (CAS 1024113-34-5)
- 4-(((5-Bromothiophen-2-yl)methylene)amino)-3-(2-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478254-55-6)
- 7,8,9,10,11,12,20,21,22,23,24,25-Dodecahydrodibenzo[i,t][1,4,7,12,15,18]hexaazacyclodocosine-5,13,18,26(6H,19H)-tetraone (CAS 68003-28-1)
- Tert-butyl (s)-(1-(tetrahydro-2h-pyran-4-carbonyl)pyrrolidin-3-yl)carbamate (CAS 1286207-46-2)
- 4-Methoxy-1,7-dihydro-2H-pyrrolo[2,3-d]pyrimidin-2-one (CAS 887406-45-3)
- Methyl 2-(4-ethylphenyl)acetate (CAS 36207-10-0)
- Gb3-β-ethylamine (CAS 261155-98-0)
- endo-Ser39-Tirzepatide (CAS CATO-CPTD788935)
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