5-Amino-2,3-dihydro-3-oxo-1H-pyrazole-4-carboxylic acid CAS 412301-20-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 412301-20-3 |
| Molecular Formula | C4H5N3O3 |
| Molecular Weight | 143.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Amino-2,3-dihydro-3-oxo-1H-pyrazole-4-carboxylic acid (CAS 412301-20-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H5N3O3. Molecular weight: 143.10 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H5N3O3 |
| Molecular Weight | 143.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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.) | 2025 |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 4-Amino-N-hydroxy-1,2,5-oxadiazole-3-carboximidamide (CAS 1211025-52-3)
- 2-Amino-4-oxo-4,5-dihydrofuran-3-carboxylic acid (CAS 123591-10-6)
- 4-Amino-N’-hydroxy-1,2,5-oxadiazole-3-carboximidamide (CAS 13490-32-9)
- 3-Acetyl-4-amino-1,2,5-oxadiazole 2-oxide (CAS 164926-69-6)
- 2-(4-Amino-1,2,5-oxadiazol-3-yl)acetic acid (CAS 186044-13-3)
- (R)-2-Amino-2-(1H-1,2,3,4-tetrazol-5-yl)acetic acid (CAS 847480-01-7)
- 2-(5-Amino-2h-1,2,3,4-tetrazol-2-yl)acetic acid (CAS 21743-72-6)
- 2-Amino-5,6-dihydroxypyrimidin-4(1H)-one (CAS 87814-12-8)
Recommended Standards
- 5-Amino-1,3,4-oxadiazole-2-carbohydrazide (CAS 45762-25-2)
- 5-Amino-N-hydroxy-1,2,4-oxadiazole-3-carboximidamide (CAS 371935-95-4)
- 4-Nitro-1H-pyrazole-3,5-diamine (CAS 62063-02-9)
- Gestodene Sulfate Sodium Salt (CAS 1259126-61-8)
- 4-(1,3-oxazol-2-yl)piperidine dihydrochloride (CAS 1909305-79-8)
- 6-Bromo-3-cyclopropoxy-2-(methylthio)pyridine (CAS 1243385-61-6)
- 2-(2-Bromobenzoyl)benzoic acid (CAS 51310-33-9)
- (E)-phenethyl 3-(3-hydroxy-4-methoxyphenyl)acrylate (CAS 117292-80-5)
- 4-chloro-6-(1-fluoropropyl)-1,3,5-triazin-2-amine (CAS 804474-81-5)
- Glu17-Semaglutide (CAS CATO-C4X-2226209)
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