Fludarabine Phosphate EP Impurity B CAS 149297-79-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 149297-79-0 |
| Molecular Formula | C5H5N5O |
| Molecular Weight | 151.13 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Fludarabine Phosphate EP Impurity B (CAS 149297-79-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H5N5O. Molecular weight: 151.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H5N5O |
| Molecular Weight | 151.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 5 |
Related Fludarabine Standards
- Fludarabine Phosphate Impurity 12 (CAS 25545-03-3)
- Fludarabine Impurity 16 (CAS 34798-94-2)
- Fludarabine Phosphate EP Impurity D (CAS 700-49-2)
- Fludarabine Phosphate EP Impurity H (CAS CATO-C4X-18468)
- Fludarabine Phosphate EP Impurity H (CAS 548774-57-8)
- Fludarabine Phosphate EP Impurity E (CAS 21679-14-1)
- Fludarabine Phosphate Impurity 22 (CAS 13276-42-1)
- Fludarabine Phosphate EP Impurity C Disodium Salt (CAS CATO-C4X-184621)
Recommended Standards
- Valaciclovir EP Impurity A (CAS 66224-64-4)
- 6-Amino-7H-purin-8-ol (CAS 21149-26-8)
- Ganciclovir EP Impurity F (CAS 73-40-5)
- Acotiamide Impurity 6 (CAS CATO-C4X-11146)
- Danazol Impurity 1 (CAS CATO-C4X-21321)
- 1037-31-6 4-nitrophenyl 4-nitrobenzoate DTXSID70324028 (CAS 1037-31-6)
- 2-(3-Amino-4-chloro-1h-pyrazol-1-yl)-N-carbamoylacetamide (CAS 1342491-00-2)
- 4-(Methylthio)-1H-pyrazolo[3,4-b]pyridine (CAS 49834-66-4)
- 2-(4-Oxo-1,3-thiazolidin-3-yl)acetic acid (CAS 106562-27-0)
- Anxiety Peptide (CAS 95237-86-8)
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