Leflunomide EP Impurity H CAS 24522-30-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 24522-30-3 |
| Molecular Formula | C10H7F3N2O |
| Molecular Weight | 228.17 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Leflunomide EP Impurity H (CAS 24522-30-3), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H7F3N2O. Molecular weight: 228.17 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H7F3N2O |
| Molecular Weight | 228.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | >95% |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Leflunomide Standards
- Leflunomide Impurity 21 (CAS 202057-74-7)
- Leflunomide Impurity 25 (CAS CATO-C4X-167325)
- Leflunomide EP Impurity G (CAS 724429-16-7)
- Leflunomide Impurity 2 (CAS 827029-20-9)
- Leflunomide (CAS 75706-12-6)
- Leflunomide EP Impurity C (CAS 61643-23-0)
- Leflunomide EP Impurity E (CAS 208401-20-1)
- Leflunomide EP Impurity F (CAS 1403564-06-6)
Recommended Standards
- N’-[(tert-butoxy)carbonyl]-2,2,2-trifluoroacetohydrazide (CAS 862713-98-2)
- Dimethyl (2-oxo-2-phenylethyl)phosphonate (CAS 1015-28-7)
- N-[4-(Cyanomethyl)phenyl]-2,2,2-trifluoroacetamide (CAS 63898-17-9)
- Levofloxacin Impurity 40 (CAS 106939-30-4)
- Tenofovir disoproxil Impurity 14 (CAS 1244022-56-7(Free Base))
- (E)-Benzhexol Impurity 12 HCl (CAS 67562-42-9 (free base))
- 7-Chloro-N-(2-(dimethylamino)ethyl)benzo[c][1,2,5]oxadiazole-4-sulfonamide (CAS 664985-43-7)
- 2-Azabicyclo[2.2.2]Octan-4-amine (CAS 2306274-41-7)
- (S)-2-Amino-6-methylheptane (CAS 70419-10-2)
- 69558-55-0 O3Y80ZF13F Thymopentin Thymopentin [USAN:INN:BAN] L-Tyrosine, N-(N-(N-(N2-L-arginyl-L-lysyl)-L-alpha-aspartyl)-L-valyl)- L-Tyrosine, N-(N-(N-(N(sup 2)-L-arginyl-L-lysyl)-L-alpha-aspartyl)-L-valyl)- Thymopentine [French] Thymopentinum [Latin] Timopentina [Spanish] Thymopoietin 32-36 TP-5 Thymopoietin pentapeptide ORF-15244 Thymopentine Thymopentinum Timopentina ORF 15244 UNII-O3Y80ZF13F (CAS 69558-55-0)
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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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com