Irinotecan Impurity 9 CAS 80758-83-4
| CAS No. | 80758-83-4 |
| Molecular Formula | C21H16N2O5 |
| Molecular Weight | 376.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Irinotecan Impurity 9 (C21H16N2O5) 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).
Irinotecan Impurity 9 (CAS 80758-83-4), molecular formula C21H16N2O5 and molecular weight 376.36 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Irinotecan Impurity 9 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 | C21H16N2O5 |
| Molecular Weight | 376.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 2 |
Related Irinotecan Standards
- Irinotecan EP Impurity F (CAS 78287-27-1)
- Irinotecan Impurity 23 (CAS 1217633-65-2)
- Irinotecan Impurity 8 (CAS 78287-14-6)
- Irinotecan Impurity 56 (CAS 797762-11-9)
- Irinotecan Hydrochloride Trihydrate EP Impurity B (CAS 19685-09-7)
- Irinotecan Impurity 59 (CAS CATO-C4X-166759)
- Irinotecan Hydrochloride Trihydrate EP Impurity E (CAS 86639-52-3)
- Irinotecan Impurity 35 (CAS 647852-82-2)
Recommended Standards
- Diethyl 2-(1-(4-(1H-1,2,4-triazol-1-yl)phenyl)-2-nitroethyl)malonate (CAS 866157-75-7)
- N-(2-(2,4-Difluorophenyl)-5-phenyl-2H-1,2,3-triazol-4-yl)benzamide (CAS 830336-11-3)
- Adoxosidic acid (CAS 84375-46-2)
- N-(2-(3,5-Difluorophenyl)-5-phenyl-2H-1,2,3-triazol-4-yl)benzamide (CAS 830336-13-5)
- Ethyl 2-Chlorobenzothiazole-5-carboxylate (CAS 1680191-38-1)
- 5-(Tert-butyl) 3-ethyl 4,4-dimethyl-2,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridine-3,5-dicarboxylate (CAS 2306265-45-0)
- 4-Methylfuran-3-sulfonyl chloride (CAS 1851317-37-7)
- 1-(5-Methoxybenzofuran-3-yl)ethan-1-one (CAS 17249-69-3)
- (S)-1-(2,6-dimethylphenyl)ethan-1-amine (CAS 1213479-78-7)
- 5-Nitro-2-((5-(trifluoromethyl)pyridin-2-yl)thio)benzaldehyde (CAS 680579-40-2)
- 4-(2-Oxo-1,3-oxazolidin-3-yl)benzonitrile (CAS 208709-23-3)
- 5-(4-Methoxyphenyl)-2-phenyloxazole (CAS 62921-42-0)
- Pirimiphos-methyl-oxon (CAS 64709-45-1)
- Liraglutide Impurity 21 TFA Salt (CAS CATO-C4X-199221)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com