Hydrochlorothiazide Impurity 11 CAS 671-89-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 671-89-6 |
| Molecular Formula | C6H4Cl3NO4S2 |
| Molecular Weight | 324.59 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Hydrochlorothiazide Impurity 11 (CAS 671-89-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C6H4Cl3NO4S2. Molecular weight: 324.59 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H4Cl3NO4S2 |
| Molecular Weight | 324.59 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Hydrochlorothiazide Standards
- Hydrochlorothiazide Impurity 55 (CAS CATO-C4X-117755)
- Hydrochlorothiazide Impurity 22 (CAS 63779-86-2)
- Hydrochlorothiazide Impurity 12 (CAS 5250-72-6)
- Hydrochlorothiazide 5-Chloro Impurity (CAS 5233-42-1)
- Hydrochlorothiazide Impurity 34 (CAS CATO-C4X-117734)
- Hydrochlorothiazide impurity 45 (CAS CATO-C4X-117745)
- Hydrochlorothiazide impurity 46 (CAS CATO-C4X-117746)
- Hydrochlorothiazide Impurity 14 (CAS 1668-63-9)
Recommended Standards
- 9-((Trimethylsilyl)methyl)-6-(((trimethylsilyl)methyl)thio)-9H-purine (CAS 93629-49-3)
- 4-Bromo-N-(2-chloro-4-methylphenyl)benzamide (CAS 1004185-21-0)
- 7-Chloro-N-(3,4-dichlorophenyl)quinazolin-4-amine (CAS 477856-32-9)
- Cabotegravir Impurity 18 (CAS CATO-C4X-287618)
- Ertugliflozin impurity 02 (CAS 1210344-83-4)
- 189109-45-3 Byzantionoside B C19H32O7 W2295 (CAS 189109-45-3)
- Triethoxy[2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenyl]silane (CAS 561069-04-3)
- (S)-1,2,3,4-Tetrahydroquinolin-4-amine dihydrochloride (CAS 1965305-30-9)
- 1-Bromo-4-(isopropylsulfonyl)naphthalene (CAS 1399658-79-7)
- Semaglutide impurity 85 (CAS CATO-C4X-222685)
Why CATO?
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