4-oxo-4-[5-(quinoxalin-6-yl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl]butanoic acid CAS 946279-09-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 946279-09-0 |
| Molecular Formula | C19H16N4O3S |
| Molecular Weight | 380.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-oxo-4-[5-(quinoxalin-6-yl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl]butanoic acid (CAS 946279-09-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H16N4O3S. Molecular weight: 380.42 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H16N4O3S |
| Molecular Weight | 380.42 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related oxo Standards
- Quinoxalin-2-yl(3-(5-(trifluoromethyl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)methanone (CAS 1396861-18-9)
- N-(3-(quinoxalin-2-yl)phenyl)thiophene-2-sulfonamide (CAS 866131-48-8)
- N-(Quinoxalin-2-ylmethyl)-N-(4-sulfamoylphenyl)formamide (CAS 62294-94-4)
- N-(4-(quinoxalin-2-yloxy)phenyl)benzamide (CAS 400079-99-4)
- Methyl 2-(quinoxalin-2-ylsulfonyl)benzoate (CAS 338394-71-1)
- Bis(4-(quinoxalin-2-yl)phenyl)sulfane (CAS 13107-66-9)
- N-(quinoxalin-6-yl)-3-(trifluoromethyl)benzamide (CAS 478079-10-6)
- 3-(Quinoxalin-2-yloxy)pyrrolidine-1-carboxylic acidtert-butylester (CAS 897044-97-2)
Recommended Standards
- 4-Methyl-N-(7-nitro-9H-fluoren-2-yl)benzenesulfonamide (CAS 70730-48-2)
- Ethyl 2-amino-5-oxo-4-(pyridin-3-yl)-4H,5H-thiochromeno[4,3-b]pyran-3-carboxylate (CAS 923560-03-6)
- 3-(7,8,10-Trimethyl-2,4-dioxo-1,2-dihydrobenzo[g]pteridin-3(4H,5H,10H)-yl)propane-1-sulfonic acid (CAS 91385-12-5)
- 4-Oxo-N-(4-hydroxyphenyl)retinamide (CAS 865536-65-8)
- 5-Acetyl-1-methylpyrimidine-2,4(1H,3H)-dione (CAS 36980-85-5)
- 1-(Azetidin-3-ylmethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1331786-39-0)
- 2-[3-(furan-2-yl)prop-2-enamido]acetic acid (CAS 29243-71-8)
- Benzyl 2-(((S)-2-amino-N-ethyl-3-methylbutanamido)methyl)piperidine-1-carboxylate (CAS 1354029-78-9)
- (2-Hydroxy-5-(trifluoromethoxy)phenyl)boronic acid (CAS 1354819-26-3)
- Tau Peptide (512-525) amide trifluoroacetate salt (CAS 2022956-61-0)
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