Furosemide Impurity 41 CAS 137-65-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 137-65-5 |
| Molecular Formula | C7H8N2O4S |
| Molecular Weight | 216.21 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Furosemide Impurity 41 (CAS 137-65-5) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C7H8N2O4S. Molecular weight: 216.21 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H8N2O4S |
| Molecular Weight | 216.21 g/mol |
| Purity | >95% |
| 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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Furosemide Standards
- Furosemide Impurity 34 (CAS 6660-65-7)
- Furosemide Impurity 21 (CAS 30170-04-8)
- Furosemide EP Impurity E (CAS 50-84-0)
- Furosemide Impurity 57 (CAS 5428-37-5)
- Furosemide EP Impurity C (CAS 3086-91-7)
- Furosemide Impurity 50 (CAS 64174-54-5)
- Furosemide Impurity 11 (CAS CATO-C4X-140211)
- Furosemide Impurity 12 (CAS 74793-12-7)
Recommended Standards
- Pantoprazole EP Impurity C (CAS 97963-62-7)
- Flurbiprofen EP Impurity E (CAS 137045-30-8)
- Celecoxib Impurity 75 (CAS CATO-C4X-104375)
- Hydrocortisone Impurity 74 (CAS CATO-C4X-140174)
- Paliperidone Impurity N11 (CAS 95742-20-4)
- 2-(4-(Dimethylamino)phenyl)-3-methylbutan-2-ol (CAS 28168-87-8)
- 1-(Pyridin-4-ylmethyl)-1,4-diazepane tris(4-methylbenzenesulfonate) (CAS 1185553-75-6)
- 4-Hydroxymandelic Acid (CAS 1198-84-1)
- 4-(6-(3,6-Diazabicyclo[3.1.1]heptan-3-yl)pyridin-3-yl)-6-(2-hydroxy-2-methylpropoxy)pyrazolo[1,5-a]pyridine-3-carbonitrile dihydrochloride (CAS 2222752-06-7)
- D-[Ala]24-Semaglutide (CAS CATO-C4X-2226126)
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