3'-(2-(1-(3,4-Dimethylphenyl)-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazinyl)-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic Acid CAS 376591-99-0
| CAS No. | 376591-99-0 |
| Molecular Formula | C25H22N4O4 |
| Molecular Weight | 442.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3'-(2-(1-(3,4-Dimethylphenyl)-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazinyl)-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic Acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
3'-(2-(1-(3,4-Dimethylphenyl)-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazinyl)-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic Acid (CAS 376591-99-0), molecular formula C25H22N4O4 and molecular weight 442.47 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 3'-(2-(1-(3,4-Dimethylphenyl)-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazinyl)-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic Acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 442.47 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C25H22N4O4 |
| Molecular Weight | 442.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Related Dimethylphenyl Standards
- 4-[4-(2,3-Dimethylphenyl)piperazin-1-yl]-6-(naphthalen-2-ylsulfanyl)pyrimidin-2-amine (CAS 478258-46-7)
- N-(2,5-Dimethylphenyl)-2-((1-(2,4-dimethylphenyl)-1H-tetrazol-5-yl)thio)-2-phenylacetamide (CAS 847840-96-4)
- 2-(((3,5-Dimethylphenyl)thio)methyl)-3-(3-(trifluoromethyl)phenyl)quinazolin-4(3H)-one (CAS 338957-77-0)
- N-(2,5-dimethylphenyl)-2-((4-(4-methoxyphenyl)-5-phenyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 333328-64-6)
- Methyl 3-((4-(2,4-dimethylphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate (CAS 899978-11-1)
- Methyl 3-((4-(2,5-dimethylphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate (CAS 899977-59-4)
- 1-Benzyl-3-((3,4-dimethylphenyl)sulfonyl)-6,7-difluoroquinolin-4(1H)-one (CAS 1326942-25-9)
- (E)-2-(2-((3,5-dimethylphenyl)amino)vinyl)-4-(2-fluorophenyl)-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile (CAS 866132-12-9)
Recommended Standards
- 2-Bromoethyl pentanoate (CAS 5451-78-5)
- Bis(2-diphenylphosphino)ethyl ether (CAS 50595-38-5)
- 1,4-Bis(diphenylphosphino)butan-1-one (CAS 85686-00-6)
- H-arg(Z)2-oh (CAS 4125-79-5)
- 2-[(2-Amino-5-fluorobenzyl)(methyl)amino]-1-ethanol (CAS 1184372-13-1)
- Pasireotide (CAS 396091-73-9)
- Propyl dimethylcarbamate (CAS 6154-16-1)
- Methyl 4-oxo-1-phenyl-1,4-dihydropyridazine-3-carboxylate (CAS 78482-46-9)
- Carbonodithioic Acid O-(Octahydro-4,7-methano-1H-inden-5-yl) Ester Potassium Salt (CAS 83373-60-8)
- Doripenem Impurity 2 (CAS 396717-61-6)
- Methyl 2-acetyl-4-methylpentanoate (CAS 51756-09-3)
- 8-azadispiro[3.1.3⁶.1⁴]decan-2-ol (CAS 2639407-55-7)
- 7,7-Bis(2-methyl-1-octyl-1H-indol-3-yl)furo[3,4-b]pyridin-5(7H)-one (CAS 89923-59-1)
- [3-31]-Semaglutide D (Sodium salt) (CAS CATO-C4X-2226119)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com