4-Oxo-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-3-carboxylic acid CAS 1539750-84-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1539750-84-9 |
| Molecular Formula | C7H6N2O3 |
| Molecular Weight | 166.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Oxo-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-3-carboxylic acid (CAS 1539750-84-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H6N2O3. Molecular weight: 166.13 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H6N2O3 |
| Molecular Weight | 166.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 2 |
Related Oxo Standards
- 4-Oxo-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine-2-carbaldehyde (CAS 623564-77-2)
- 6,7-Dihydro-[1,4]dioxino[2,3-c]pyridazine-3-carbaldehyde (CAS 943026-42-4)
- 1,2-Dihydro-[1,2,4]triazolo[4,3-a][1,3,5]triazine-3,5,7(6h)-triimine (CAS 7144-22-1)
- 3-Methyl-1,4-dihydro-5H-pyrazolo[4,3-d]pyrimidine-5,7(6H)-dione (CAS 28668-19-1)
- 6-Methyl-7,9-dihydro-2H-purine-2,8(3H)-dione (CAS 859954-66-8)
- 1-(4,5-Dihydro-2-Furanyl)-2,2,2-Trifluoroethanone (CAS 260555-80-4)
- 3,4-dihydro-2H-1,5-benzodioxepin-6-ol (CAS 1843-96-5)
- 2,3-Dihydro-1,4-benzodioxin-5-ylmethanol (CAS 274910-19-9)
Recommended Standards
- 5,7-Dihydrofuro[3,4-d]pyrimidine-4-carboxylic acid (CAS 1537663-07-2)
- 5-hydroxy-2H-1,3-benzodioxole-4-carbaldehyde (CAS 154392-17-3)
- (Z)-2-Hydroxy-3-(pyrimidin-4-yl)acrylic acid (CAS 153690-13-2)
- 2,7-Dibromo-9,9-dimethyl-9,10-dihydroacridine (CAS 1333316-35-0)
- Suc-Ala-Ala-Pro-Arg-pNA (CAS 131068-47-8)
- (2-Iodo-5-methoxyphenyl)methanamine (CAS 1189788-15-5)
- 4'-Propyl-[1,1'-bi(cyclohexane)]-4-carboxylic acid (CAS 83860-51-9)
- 1-(Bromomethyl)-N,N-dimethylcyclopropanecarboxamide (CAS 1956379-47-7)
- Ethyl 4-(pyridin-2-yl)-1H-pyrrole-3-carboxylate (CAS 342025-71-2)
- Semaglutide impurity 206 (CAS CATO-C4X-2226206)
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