Proguanil EP Impurity F CAS 537-21-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 537-21-3 |
| Molecular Formula | C11H15Cl2N5 |
| Molecular Weight | 288.18 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Proguanil EP Impurity F (CAS 537-21-3) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C11H15Cl2N5. Molecular weight: 288.18 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C11H15Cl2N5 |
| Molecular Weight | 288.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Proguanil Standards
- Proguanil impurity 1 (CAS CATO-C4X-17391)
- Proguanil (CAS 500-92-5)
- Proguanil EP Impurity G (CAS 807308-41-4)
- Proguanil EP Impurity E (CAS 1482-62-8)
- Proguanil EP Impurity D (CAS 45095-69-0)
- Proguanil EP Impurity A (CAS 44830-55-9)
- Proguanil EP Impurity G Hydrochloride (CAS 1071546-52-5)
- Proguanil EP Impurity C (CAS 13590-88-0)
Recommended Standards
- N-(5-bromo-2-methoxybenzyl)-3-methoxypropan-1-amine (CAS 932241-22-0)
- Perospirone Impurity 37 (CAS 164519-76-0)
- Amino(3-bromo-1-adamantyl)acetic acid (CAS 345969-40-6)
- All-Rac-Α-Tocopheryl Acetate EP Impurity B (CAS CATO-C4X-177916)
- Metaraminol impound 105 (CAS CATO-C4X-2252105)
- 1-Allyl-3-bromo-5-fluorobenzene (CAS 868860-65-5)
- 1-Chloroisoquinoline-3-carboxylic acid (CAS 1049606-80-5)
- n-Cyclopropyl-2-(piperidin-4-yloxy)acetamide (CAS 912761-41-2)
- 2-Deoxy-D-ribose-5- (CAS 159838-86-5)
- Peptide Impurity (CAS CATO-CPTD788810)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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