4-Pyridinecarboxylic acid, 2-(1,3-dihydro-1,3-dioxo-2H-inden-2-ylidene)hydrazide CAS 81253-04-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81253-04-5 |
| Molecular Formula | C15H10N3O3 |
| Molecular Weight | 280.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Pyridinecarboxylic acid, 2-(1,3-dihydro-1,3-dioxo-2H-inden-2-ylidene)hydrazide (CAS 81253-04-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C15H10N3O3. Molecular weight: 280.26 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C15H10N3O3 |
| Molecular Weight | 280.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 3 |
Related Pyridinecarboxylic Standards
- 4-Pyridinecarboxylic acid, 2-[(2S)-2-amino-1-oxo-3-phenylpropyl]hydrazide (CAS 68207-01-2)
- 1(2H)-Pyridinecarboxylic acid, 4-(4-cyanophenyl)-3,6-dihydro-, 1,1-dimethylethyl ester (CAS 460365-08-6)
- 171178-46-4 4-Pyridinecarboxylic acid,2-chloro-5-[[(1,1-dimethylethoxy)carbonyl]amino]- CTK4D3842 (CAS 171178-46-4)
- 3-Pyridinecarboxylic acid, 2-[(3S)-3-amino-1-pyrrolidinyl]-, 1-methylethyl ester (CAS 1315560-05-4)
- 3-Pyridinecarboxylic acid, 4,6-dichloro-, 1,1-dimethylethyl ester (CAS 1956321-27-9)
- 3-Pyridinecarboxylic acid, 2-chloro-6-(trifluoromethoxy)- (CAS 1221172-04-8)
- 4-Pyridinecarboxylic acid, 4,4'-(1,4-phenylene) ester (CAS 154306-50-0)
- 4-Pyridinecarboxylic acid, 2-[(2S)-2-amino-3-methyl-1-oxobutyl]hydrazide (CAS 1361095-03-5)
Recommended Standards
- 4-Nitro-N-(pyrimidin-2-yl)benzenesulfonamide (CAS 24265-24-5)
- Methyl 2-((3,3,3-trifluoro-2-hydroxypropyl)thio)benzoate (CAS 385383-55-1)
- 4-[(4-methyl-4h-1,2,4-triazol-3-yl)sulfanyl]-3-nitrobenzoic acid (CAS 380431-58-3)
- Methyl 6-nitro-1H-indazole-3-carboxylate (CAS 1167056-71-4)
- (4R)-boc-4-benzyl-pyr-oh (CAS 160806-16-6)
- (2S)-Pyrrolidin-2-yl-methylamine (S)-pyrrolidin-2-ylmethanamine 69500-64-7 (CAS 69500-64-7)
- 2-Ethoxy-4,6-dimethoxypyrimidine-5-carbaldehyde (CAS 552880-86-1)
- 1,3-Isobenzofurandione, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, 2-ethylhexanoate (CAS 68389-61-7)
- 3-Phenyl-3H-imidazo[4,5-b]pyridine (CAS 61532-33-0)
- Semaglutide impurity 215 (CAS CATO-C4X-2226215)
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 13829788188 / jacky.chen@cato-chem.com