4-Hydroxy-2-oxo-2,5-dihydro-1H-pyrrole-3-carbonitrile CAS 83544-53-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 83544-53-0 |
| Molecular Formula | C5H4N2O2 |
| Molecular Weight | 124.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Hydroxy-2-oxo-2,5-dihydro-1H-pyrrole-3-carbonitrile (CAS 83544-53-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H4N2O2. Molecular weight: 124.10 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H4N2O2 |
| Molecular Weight | 124.10 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- 4-Hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-3-carbonitrile (CAS 29418-72-2)
- 4-hydroxy-1, 2-benzoquinone (CAS 6527-61-6)
- 3-hydroxy-1, 2-benzoquinone (CAS 15258-70-5)
- 2-hydroxy-1,4-benzoquinone (CAS 2474-72-8)
- 1-hydroxy-4-methylpyridin-2-imine (CAS 83700-78-1)
- 3-hydroxy-3-methylpentanedinitrile (CAS 72060-94-7)
- 2-Hydroxy-1,3,2-dioxaphospholane 2-Oxide (CAS 6711-47-3)
- Methyl 2-Hydroxy-2-methyl-d (CAS 40662-44-0)
Recommended Standards
- 4-(Azidomethyl)oxazole (CAS 2237273-18-4)
- 3-Isocyanato-5-methylisoxazole (CAS 55809-54-6)
- 4-Methylpyridazine-3,6-dione (CAS 73268-15-2)
- Ethyl 2-ethoxy-4-nitrobenzoate (CAS 910572-96-2)
- 4-Phenylazomaleinanil (CAS 16201-96-0)
- 2-(Bromomethyl)-5-butoxy-1,3-difluorobenzene (CAS 1373921-06-2)
- (4R)-2-(((R)-1-(tert-butoxycarbonyl)-2-(methoxycarbonyl)pyrrolidin-2-yl)methyl)-1,3-thiazinane-4-carboxylic acid (CAS 221040-36-4)
- 2-[methyl(propan-2-yl)amino]benzaldehyde (CAS 1021239-93-9)
- 4-(Ethylsulfonyl)phenylboronic Acid (CAS 352530-24-6)
- Fragment-[9-31]-Semaglutide (CAS CATO-C4X-2226181)
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