Azacitidine Impurity 44 CAS CATO-C4X-138844
| CAS No. | CATO-C4X-138844 |
| Molecular Formula | C22H20N4O7 |
| Molecular Weight | 452.42 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a process- or degradation-related impurity, Azacitidine Impurity 44 (CAS CATO-C4X-138844, C22H20N4O7) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Azacitidine Impurity 44 (C22H20N4O7) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures Azacitidine Impurity 44 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H20N4O7 |
| Molecular Weight | 452.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 4 |
Related Azacitidine Standards
- Azacitidine Impurity 89 (CAS 69350-76-1)
- Azacitidine Triphosphate (CAS 2226-74-6)
- Azacitidine Impurity 26 (CAS 63-39-8)
- Azacitidine USP Related Compound B (CAS 6974-32-9)
- Azacitidine Impurity 13 (CAS CATO-C4X-138813)
- Azacitidine Impurity 25 (CAS CATO-C4X-138825)
- Azacitidine Impurity 74 (CAS 2306050-23-5)
- Azacitidine Impurity 75 (CAS CATO-C4X-138875)
Recommended Standards
- Eltrombopag Impurity 7 (CAS 1428987-69-2)
- 3,4-Bis(4-methoxyphenyl)-1-[3-(trifluoromethyl)benzoyl]-1H-pyrazole (CAS 956356-50-6)
- Eltrombopag Impurity 120 (CAS CATO-C4X-1198120)
- 6-Acetyl-3-amino-N-(4-fluorophenyl)-4-(trifluoromethyl)-5,6,7,8-tetrahydrothieno[2,3-b][1,6]naphthyridine-2-carboxamide (CAS 727664-47-3)
- Apremilast Impurity 58 (CAS CATO-C4X-100958)
- Inosine impurity 11 (CAS CATO-C4X-283211)
- N-Nitroso Baxdrostat Impurity 28 (CAS CATO-C4X-343428)
- Gastrodin impurity 1 (CAS CATO-C4X-32371)
- Tert-butyl (6-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)carbamate (CAS 1309982-65-7)
- 4-(2-methylpropyl)benzene-1,3-diol (CAS 18979-62-9)
- Azido-PEG5-CH2CO2-PFP (CAS 2144777-92-2)
- 3-(Aminomethyl)-2-methylhexan-2-ol (CAS 1514098-03-3)
- 8-Ethyl-4-(2-methylbenzoyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326810-55-2)
- Peptide WE-14 (CAS 115136-18-0)
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