2-Chloro-2-(4-oxo-3,4-dihydrophthalazin-1-yl)acetic acid CAS 49546-83-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 49546-83-0 |
| Molecular Formula | C10H7ClN2O3 |
| Molecular Weight | 238.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-2-(4-oxo-3,4-dihydrophthalazin-1-yl)acetic acid (CAS 49546-83-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H7ClN2O3. Molecular weight: 238.63 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H7ClN2O3 |
| Molecular Weight | 238.63 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 4-Chloro-7-methoxy-3-nitroquinoline (CAS 1026963-05-2)
- 4-chloro-3-(5-methyl-1h-1,2,3,4-tetraZol-1-yl)benzoic acid (CAS 1156373-88-4)
- 5-(3-Chloro-4-methylphenyl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1342109-95-8)
- 2-CHloro-1-(propan-2-yloxy)-4-(trifluoromethyl)benzene (CAS 1369830-55-6)
- 1-CHloro-3-(propan-2-yloxy)-5-(trifluoromethyl)benzene (CAS 1369839-32-6)
- 1-CHloro-4-(propan-2-yloxy)-2-(trifluoromethyl)benzene (CAS 1369877-52-0)
- 1-CHloro-2-(propan-2-yloxy)-4-(trifluoromethyl)benzene (CAS 1369940-70-4)
- Methyl 7-chloro-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate (CAS 1386448-06-1)
Recommended Standards
- 2-[5-(4-chlorophenyl)-2h-1,2,3,4-tetrazol-2-yl]acetic acid (CAS 27582-37-2)
- 2-Chloro-5-(1H-tetrazol-1-yl)benzohydrazide (CAS 883291-46-1)
- 2-[3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl]acetic acid (CAS 478030-50-1)
- 5-Amino-2,3-dihydro-1H-indene-1-carboxylic acid (CAS 61346-48-3)
- 2-(3-Acetoxyphenyl)acetic acid (CAS 88443-77-0)
- 2-Cyclopropylacetyl Chloride (CAS 54322-65-5)
- 2-hydroxy-2-(2-(methyl(2-(pyridin-2-yl)ethyl)amino)-2-oxoethyl)succinic acid (CAS CATO-C4X-183843)
- N-(4-Chloro-3-(trifluoromethyl)phenyl)-3-ethynylbenzamide (CAS 2499499-17-9)
- Fmoc-(3S)-1,2,3,4-tetrahydroisoquinoline-3-acetic acid (CAS 270062-99-2)
- D-Thr5-Tirzepatide (CAS CATO-CPTD788926)
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