5-Amino-pyridazine-4-carboxylic acid CAS 21579-37-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21579-37-3 |
| Molecular Formula | C5H5N3O2 |
| Molecular Weight | 139.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Amino-pyridazine-4-carboxylic acid (CAS 21579-37-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H5N3O2. Molecular weight: 139.11 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H5N3O2 |
| Molecular Weight | 139.11 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 4-Amino-6-oxo-1,6-dihydropyrimidine-5-carbaldehyde (CAS 1004956-63-1)
- 6-Amino-4-pyridazinecarboxylic acid (CAS 1242458-49-6)
- 3-Amino-2-nitropyridine (CAS 13269-19-7)
- 2-Amino-6-oxo-1,6-dihydropyrimidine-5-carbaldehyde (CAS 1402401-43-7)
- 2-Amino-6-nitropyridine (CAS 14916-63-3)
- 3-Amino-4-pyridazinecarboxylic Acid (CAS 21141-03-7)
- 5-Amino-pyrimidine-4-carboxylic acid (CAS 59950-53-7)
- 6-Amino-pyrimidine-4-carboxylic acid (CAS 38214-46-9)
Recommended Standards
- 5-Aminopyrazine-2-carboxylic Acid (CAS 40155-43-9)
- 5-Aminopyrimidine-2-carboxylic Acid (CAS 56621-98-8)
- 4-Oxo-1,4-dihydropyridine-3-carboxylic acid (CAS 72676-96-1)
- [({3-chloro-8-oxa-4,6-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,5-tetraen-5-yl}methyl)sulfanyl](ethoxy)methanethione (CAS 1781241-31-3)
- Methyl 4-((pyridin-2-ylmethyl)amino)butanoate (CAS 1096902-85-0)
- 6-Deoxo-24-epicastasterone (CAS 169869-41-4)
- 2-(3-Methoxyphenyl)ethanamine hydrochloride (CAS 2039-54-5)
- 1-(Cyclobutylmethyl)-3-methyl-1h-pyrazole-4-carboxylic acid (CAS 1469722-82-4)
- Ethyl 4-Bromosalicylate (CAS 314240-85-2)
- Semaglutide Impurity 147 (CAS CATO-C4X-2226147)
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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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com