4,5-Dihydro-1H-pyrazole-5-carboxylic acid CAS 78367-79-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 78367-79-0 |
| Molecular Formula | C4H6N2O2 |
| Molecular Weight | 114.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4,5-Dihydro-1H-pyrazole-5-carboxylic acid (CAS 78367-79-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C4H6N2O2. Molecular weight: 114.10 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C4H6N2O2 |
| Molecular Weight | 114.10 g/mol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 2 |
Related Dihydro Standards
- Dihydro-2H-pyran-2,3(4H)-dione (CAS 154064-57-0)
- 5,6-Dihydro-1,4-dioxine-2-carbaldehyde (CAS 59518-69-3)
- Dihydro-2H-pyran-2,4(3H)-dione (CAS 33532-46-6)
- 1-Ethyl-1,4-dihydro-5H-tetrazol-5-one (CAS 69048-98-2)
- 5-Oxo-4,5-dihydro-1,3,4-oxadiazole-2-carbaldehyde (CAS 1357567-93-1)
- (3,6-dihydro-2H-pyran-4-yl)methanol (CAS 14774-34-6)
- (5,6-Dihydro-2h-pyran-3-yl)methanol (CAS 14774-35-7)
- (3,6-Dihydro-2H-pyran-2-yl)methanol (CAS 1504-04-7)
Recommended Standards
- 4-(Hydroxymethyl)furan-2(5h)-one (CAS 80904-75-2)
- 4,5-Dihydrofuran-2-carboxylic acid (CAS 444777-27-9)
- 3-Oxocyclobutanecarboxylic Acid (CAS 23761-23-1)
- 3-(2,2,3,3-Tetramethylcyclopropyl)isoxazol-5-amine (CAS 1520954-44-2)
- 4-(3,4-Difluoro-benzenesulfonylamino)-benzoic acid (CAS 327072-97-9)
- Methyl 5-(2,3-difluorophenyl)nicotinate (CAS 1261663-40-4)
- (S)-5-Vinyloxazolidine-2-thione (CAS 500-12-9)
- 5-amino-4-methyl-1-phenyl-1H-pyrazole-3-carbonitrile (CAS 1414570-18-5)
- Enarodustat Impurity 32 (CAS CATO-C4X-322832)
- Semaglutide impurity 268 (CAS CATO-C4X-2226268)
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