5-Oxo-2,5-dihydro-1H-pyrazole-3-carbohydrazide CAS 66483-27-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66483-27-0 |
| Molecular Formula | C4H6N4O2 |
| Molecular Weight | 142.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 5-Oxo-2,5-dihydro-1H-pyrazole-3-carbohydrazide (CAS 66483-27-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C4H6N4O2. Molecular weight: 142.12 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C4H6N4O2 |
| Molecular Weight | 142.12 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 4 |
Related Oxo Standards
- 5-Oxo-4,5-dihydro-1H-pyrazole-4-carbohydrazide (CAS 395662-74-5)
- 2-(5-Oxo-4,5-dihydro-1h-pyrazol-3-yl)acetic acid (CAS 860409-48-9)
- methyl 3,6-dihydro-2H-pyran-4-carboxylate (CAS 105772-14-3)
- Methyl 3,4-Dihydro-2H-pyran-6-carboxylate (CAS 129201-92-9)
- 2-(Dihydro-2H-pyran-4(3H)-ylidene)acetic Acid (CAS 130312-01-5)
- 2-(3,6-Dihydro-2H-pyran-4-yl)acetic acid (CAS 632328-42-8)
- 2-Methyl-4,5-dihydro-furan-3-carboxylicacidmethylester (CAS 32595-98-5)
- 6-Methyl-3,4-dihydro-2H-pyran-5-carboxylic acid (CAS 5399-21-3)
Recommended Standards
- 5-Nitro-1,4-dihydropyrimidin-4-amine (CAS 84928-80-3)
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- 6-(Methylamino)-2,3,4,5-tetrahydro-1,2,4-triazine-3,5-dione (CAS 64842-42-8)
- (2E)-3-(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)-1-phenylprop-2-en-1-one (CAS 1025208-97-2)
- Gemfibrozil Isobutyl Ester (CAS 149105-26-0)
- 3’-Bromo-5’-chloro-2’-hydroxyacetophenone (CAS 59443-15-1)
- 5-Hydroxy-7-methylindoline-2,3-dione (CAS 1041857-41-3)
- n-(2-(Dimethylamino)-2-(thiophen-2-yl)ethyl)isobutyramide (CAS 1215717-31-9)
- 2-(5-Chloro-2-methyl-3-nitrophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2377607-14-0)
- Polyphemusin II-Derived Peptide (CAS 229030-20-0)
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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