Indapamide Impurity 21 CAS 70049-77-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 70049-77-3 |
| Molecular Formula | C7H5Cl2NO3S |
| Molecular Weight | 254.09 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Indapamide Impurity 21 (CAS 70049-77-3) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C7H5Cl2NO3S. Molecular weight: 254.09 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H5Cl2NO3S |
| Molecular Weight | 254.09 g/mol |
| Purity | >95% |
| 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, water |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Indapamide Standards
- Indapamide Impurity 17 (CAS 2494-79-3)
- Indapamide Impurity 11 (CAS 1856658-28-0)
- Indapamide Impurity 14 (CAS 604787-44-2)
- Indapamide Impurity 52 (CAS CATO-C4X-140052)
- Indapamide Impurity F (CAS 62574-66-7)
- Indapamide Impurity 6 (CAS 2455-92-7)
- Indapamide Impurity 2 (CAS CATO-C4X-14002)
- Indapamide Impurity 51 (CAS CATO-C4X-140051)
Recommended Standards
- N-(4-bromobenzyl)-2H-tetrazol-5-amine (CAS 31694-99-2)
- 1-(2-Bromo-4-fluorophenyl)cyclobutanecarbonitrile (CAS 1086599-29-2)
- N-(3-bromobenzyl)-2H-tetrazol-5-amine (CAS 869952-69-2)
- Tenoxicam EP Impurity D (CAS 52781-01-8)
- Ursodeoxycholic Acid Impurity 130 (CAS 63060-59-3)
- N-(2-hydrazinyl-2-oxoethyl)-4-methylbenzenesulfonamide (CAS 3619-20-3)
- Diclofenac impurity 9 (CAS CATO-C4X-16149)
- Ethyl 2-(4-formyl-2-nitrophenoxy)acetate (CAS 420786-61-4)
- 4-Methyl-8-(4-methyl-1-oxopentan-2-yl)-2,6-dioxohexahydro-[1,3,2]oxazaborolo[2,3-b][1,3,2]oxazaborol-4-ium-8-uide (CAS 1380504-24-4)
- Peptide 433 (CAS CATO-CPTD788433)
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