Furosemide Impurity 21 CAS 30170-04-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 30170-04-8 |
| Molecular Formula | C7H5F2NO4S |
| Molecular Weight | 237.18 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Furosemide Impurity 21 (CAS 30170-04-8) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H5F2NO4S. Molecular weight: 237.18 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H5F2NO4S |
| Molecular Weight | 237.18 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.) | 1965 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Furosemide Standards
- Furosemide Impurity 34 (CAS 6660-65-7)
- 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)
- Furosemide Impurity 59 (CAS 518336-22-6)
- Furosemide Impurity 64 (CAS 116436-17-0)
- Furosemide Impurity 41 (CAS 137-65-5)
Recommended Standards
- Lansoprazole Impurity 30 (CAS CATO-C4X-111330)
- 10-Bromo-1-decanol (CAS 53463-68-6)
- Methyl 2-(1-aminoethylidene)-6,6,6-trifluoro-5-oxohex-3-enoate (CAS 215657-66-2)
- Dotinurad Impurity 199 (CAS CATO-C4X-2494199)
- Sofosbuvir Impurity 87 (CAS 817204-32-3)
- (R)-1-(3-chloro-4-(trifluoromethyl)phenyl)-2-methylpropan-1-amine (CAS 1212997-80-2)
- 2-(Hydroxymethyl)-3,5-dimethylpyridin-4(1H)-one (CAS 220757-73-3)
- 5-Methoxyoxazole-2-carboxylic Acid Methyl Ester (CAS 477870-14-7)
- 5-Hydroxyfuro[3,4-b]pyridin-7(5H)-one (CAS 944900-67-8)
- (Tyr9)-Cholecystokinin Octapeptide (sulfated) (H-9770.0005) (CAS 96607-61-3)
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 13829788188 / jacky.chen@cato-chem.com