Gemcitabine impurity 22 CAS 143234-90-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 143234-90-6 |
| Molecular Formula | C17H20F2O6 |
| Molecular Weight | 358.33 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Gemcitabine impurity 22 (CAS 143234-90-6), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H20F2O6. Molecular weight: 358.33 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C17H20F2O6 |
| Molecular Weight | 358.33 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F-containing |
Related Gemcitabine Standards
- Gemcitabine Impurity 31 (CAS 142816-70-4)
- Gemcitabine Impurity 5 (CAS 2174019-90-8)
- Gemcitabine Impurity N19 (CAS 1147182-15-7)
- Gemcitabine Impurity 18 (CAS 139729-89-8)
- Gemcitabine Monophosphate (CAS 116371-67-6)
- Gemcitabine Impurity 10 (CAS 1217452-91-9)
- Gemcitabine Impurity 17 (CAS 197452-15-6)
- Gemcitabine Impurity 29 (CAS 122111-02-8)
Recommended Standards
- N-benzyl-2-(pyridin-2-yl)-4-(trifluoromethyl)pyrimidine-5-carboxamide (CAS 865660-42-0)
- 143234-92-8 2-Deoxy-2,2-difluoro-4,5-O-(1-methylethylidene)-D-threo-pentonic Acid Ethyl Ester Benzoate 2-Deoxy-2,2-difluoro-4,5-O-isopropylidene-D-threo-pentonic Acid Ethyl Ester Benzoate (CAS 143234-92-8)
- N-[(E)-(3-Phenyl-1H-pyrazol-4-yl)methylidene]-4-(trifluoromethyl)benzenecarbohydrazide (CAS 477710-90-0)
- Meropenem Impurity 43 (CAS 96035-15-3)
- Empagliflozin impurity 212 (CAS CATO-C4X-1065212)
- 1-tert-Butyl 3-methyl 4-aminopyrrolidine-1,3-dicarboxylate (CAS 362491-96-1)
- 2-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-2-(4-hydroxyphenyl)acetonitrile (CAS 321432-72-8)
- Sodium (E)-5-(2-carbamoylhydrazono)-1-methyl-6-oxo-2,3,5,6-tetrahydro-1H-indole-2-sulfonate (CAS 942433-41-2)
- 8-Chloro-1H-pyrazolo[4,3-c]quinolin-3(2H)-one (CAS 1015605-31-8)
- Tirzepatide Impurity 38 (CAS CATO-C4X-324038)
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