Fluorouracil Impurity 21 CAS 54664-65-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 54664-65-2 |
| Molecular Formula | C3H7N3O2 |
| Molecular Weight | 117.11 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Fluorouracil Impurity 21 (CAS 54664-65-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C3H7N3O2. Molecular weight: 117.11 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C3H7N3O2 |
| Molecular Weight | 117.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 3 |
Related Fluorouracil Standards
- Fluorouracil Impurity 15 (CAS 4433-22-1)
- Fluorouracil Impurity 18 (CAS 25902-86-7)
- Fluorouracil EP Impurity A (CAS 67-52-7)
- Fluorouracil Impurity 31 (CAS 58629-87-1)
- 5-Fluorouracil-6-d1 (CAS 90344-84-6)
- 5-Fluorouracil-15N2 (CAS 68941-95-7)
- 5-Fluorouracil-13C,15N2 (CAS 1189423-58-2)
- Fluorouracil EP Impurity D (CAS 6623-81-0)
Recommended Standards
- N-Nitroso-N-ethyl Urea, Contains 40% water, 1.8 % AcOH (CAS 759-73-9)
- Favipiravir Impurity 12 (CAS 62009-47-6)
- 91114-71-5 Ethyl 2-oxo(2-~13~C)propanoate DTXSID50745898 (CAS 91114-71-5)
- Fosinopril Impurity 1 (CAS 72651-25-3)
- Opicapone Impurity 85 (CAS CATO-C4X-240485)
- methyl 4-amino-1H-pyrrole-3-carboxylate (CAS 1557510-39-0)
- 4-(1-Cyclohexyl-5-oxopyrrolidine-3-carboxamido)benzoic acid (CAS 931374-39-9)
- N-(Benzo[d][1,3]dioxol-5-yl)-1-(thiophen-2-yl)cyclopentane-1-carboxamide (CAS 1049512-70-0)
- N-(5-chloro-2-methylphenyl)furan-2-carboxamide (CAS 331436-23-8)
- Acetyl Tetrapeptide-11 (CAS 928006-88-6)
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