Bumetanide Impurity 7 CAS 130262-91-8
| CAS No. | 130262-91-8 |
| Molecular Formula | C7H4ClNO7S |
| Molecular Weight | 281.63 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Bumetanide Impurity 7 is closely related to a carbohydrate-derived structure, an amide group, a sulfone group, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies Bumetanide Impurity 7 (CAS 130262-91-8), a pharmacopoeial impurity reference standard (molecular formula C7H4ClNO7S, MW 281.63 g/mol) used for the identification and quantification of trace impurities in APIs.
Based on its molecular formula C7H4ClNO7S, Bumetanide Impurity 7 contains a carbohydrate-derived structure, an amide group, a sulfone group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 281.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Bumetanide Impurity 7 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H4ClNO7S |
| Molecular Weight | 281.63 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bumetanide Standards
- Bumetanide Impurity 45 (CAS 61658-42-2)
- Bumetanide Impurity 133 (CAS CATO-C4X-1986133)
- Bumetanide Impurity 48 (CAS CATO-C4X-198648)
- Bumetanide Impurity 5 (CAS 22892-96-2)
- Bumetanide Impurity 80 (CAS CATO-C4X-198680)
- Bumetanide Impurity 40 (CAS 688047-82-7)
- Bumetanide Impurity 78 (CAS CATO-C4X-198678)
- Bumetanide Impurity 78 (CAS CATO-C4X-198679)
Recommended Standards
- 2-Chloro-5-(pentafluoro-lambda6-sulfanyl)benzamide (CAS 1431329-71-3)
- 3-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1,2,4-oxadiazole-5-thiol (CAS 1823183-24-9)
- 3-Chloro-5-(pentafluoro-lambda6-sulfanyl)benzamide (CAS 1240257-35-5)
- 5-chloro-7-(trifluoromethyl)thieno[3,2-b]pyridine-3-carboxylic acid (CAS 680210-98-4)
- Baricitinib Impurity 71 (CAS CATO-C4X-226071)
- Glipizide EP Impurity D (CAS 1346600-54-1)
- Avibactam Impurity 69 (CAS CATO-C4X-134869)
- 2,2,2-Trifluoro-1-(3-fluoro-4-methoxyphenyl)ethan-1-one (CAS 132734-54-4)
- Ethyl 1-(4-methylbenzyl)piperidine-4-carboxylate (CAS 414874-66-1)
- 4-(6-(Ethylsulfonyl)-2,6-diazaspiro[3.3]Heptan-2-yl)aniline (CAS 2306272-92-2)
- 7-Nitroso-1,7-dihydro-6H-purin-6-one (CAS CATO-C3D-26214)
- 2-(2-Amino-4-(bromomethyl)-6-(difluoromethyl)pyridin-3-yl)acetonitrile (CAS 1806821-88-4)
- exo-7-(Boc-amino)-3-oxa-9-aza-bicyclo[3.3.1]nonane (CAS 1638683-57-4)
- Allo-D-Ile27-Tirzepatide (CAS CATO-CPTD788961)
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 18665070610 / Nicole.chen@cato-chem.com