Hydrochlorothiazide Impurity 29 CAS 957785-35-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 957785-35-2 |
| Molecular Formula | C6H5ClN2O4S |
| Molecular Weight | 236.63 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Hydrochlorothiazide Impurity 29 (CAS 957785-35-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H5ClN2O4S. Molecular weight: 236.63 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H5ClN2O4S |
| Molecular Weight | 236.63 g/mol |
| 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, 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Hydrochlorothiazide Standards
- Hydrochlorothiazide Impurity 54 (CAS CATO-C4X-117754)
- Hydrochlorothiazide Impurity 57 (CAS CATO-C4X-117757)
- Hydrochlorothiazide Impurity 35 (CAS CATO-C4X-117735)
- Hydrochlorothiazide Impurity 36 (CAS CATO-C4X-117736)
- Hydrochlorothiazide Impurity 23 (CAS 19477-32-8)
- Hydrochlorothiazide Impurity 15 (CAS 23141-75-5)
- Hydrochlorothiazide Impurity 6 (CAS 23141-82-4)
- Hydrochlorothiazide Impurity 7 (CAS CATO-C4X-11777)
Recommended Standards
- 8-chloro-4-fluoro-1-methyl-imidazo[4,5-g]quinazoline (CAS 2769820-62-2)
- 2-Chloro-3-nitrobenzenesulfonamide (CAS 1261761-91-4)
- 6-chloro-4-(fluoromethyl)-8-oxa-3,5-diazatricyclo[7.4.0.0²,⁷]trideca-1(13),2,4,6,9,11-hexaene (CAS 2866468-33-7)
- Etrasimod Impurity 28 (CAS CATO-C4X-321428)
- Bendamustine Nitro Ethyl Ester Impurity (CAS 3543-72-4)
- 4-(2-Aminoethyl)-5-(pyridin-4-yl)-1H-pyrazol-3(2H)-one (CAS 881040-98-8)
- Azelastine Impurity 17 (CAS 1239312-56-1)
- 5'-Bromo-2',3'-dihydrospiro[cyclopropane-1,1'-indene]-3-amine (CAS 1505644-43-8)
- N-(4-Aminophenyl)hexanamide (CAS 457939-70-7)
- Tirzepatide Impurity 22 X TFA Salt (CAS CATO-C4X-324022)
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