Cytarabine Impurity 27 CAS CATO-C4X-200527
| CAS No. | CATO-C4X-200527 |
| Molecular Formula | C8H10N2O7 |
| Molecular Weight | 246.17 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cytarabine Impurity 27 (C8H10N2O7) contains a carbohydrate-derived structure, an amide group. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Cytarabine Impurity 27 (CAS CATO-C4X-200527), a pharmacopoeial impurity reference standard (molecular formula C8H10N2O7, MW 246.17 g/mol) used for the identification and quantification of trace impurities in APIs.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H10N2O7 |
| Molecular Weight | 246.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 2 |
Related Cytarabine Standards
- Cytarabine-13C3 (CAS CATO-C4X-20055)
- Cytarabine-13C-15N2 (CAS CATO-C4X-20056)
- Cytarabine-5,6-d2 (CAS 40632-26-6)
- Cytarabine EP Impurity A (CAS 3083-77-0)
- Cytarabine (CAS 147-94-4)
- Cytarabine EP Impurity E (CAS 65-46-3)
- Cytarabine Impurity 20 (CAS CATO-C4X-200520)
- Cytarabine Impurity 21 (CAS CATO-C4X-200521)
Recommended Standards
- Pantoprazole Impurity 13 (CAS 97963-75-2)
- 3-Methyl-5-(trifluoromethoxy)cinnamic acid (CAS 1005378-68-6)
- 3786-91-2 r-1,c-2,c-3,c-4-Cyclopentanetetracarboxylic acid 1,2,3,4-Cyclopentanetetracarboxylic acid, (1alpha,2alpha,3alpha,4alpha)- AI3-50868 EINECS 223-256-7 (CAS 3786-91-2)
- 3,3'-Dinitro-2,2'-bipyridine (CAS 1024-94-8)
- Ozagrel Impurity 16 (CAS CATO-C4X-197116)
- Ponatinib Impurity 38 (CAS 2755819-36-2)
- Gefitinib Impurity 45 (CAS 350-30-1)
- 2-Fluoro-4-(2-methylphenyl)phenol (CAS 1261890-19-0)
- 2-Vinyl-1,3,2-dioxaborolane (CAS 14559-94-5)
- 1-Butyl-4-chloro-1lambda5-benzene-1,2-diamine (CAS 155584-84-2)
- N-(Oxetan-3-ylidene)pivalamide (CAS 1632286-09-9)
- 2-(6-Chloro-3-pyridyl)-2-propanol (CAS 68700-91-4)
- Methyl nitrite (CAS 624-91-9)
- Peptide YY (13-36) (canine, mouse, porcine, rat) (CAS 86895-09-2)
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 18665070610 / Nicole.chen@cato-chem.com