18457-44-8 C37H44O11 Taxinine B W1320 CAS 18457-44-8
| CAS No. | 18457-44-8 |
| Molecular Formula | C37H44O11 |
| Molecular Weight | 664.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
18457-44-8 C37H44O11 Taxinine B W1320 (CAS 18457-44-8), molecular formula C37H44O11 and molecular weight 664.74 g/mol, is a CATO reference standard with documented purity and traceability.
18457-44-8 C37H44O11 Taxinine B W1320 (C37H44O11) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. 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 analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 18457-44-8 C37H44O11 Taxinine B W1320 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 | C37H44O11 |
| Molecular Weight | 664.74 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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 |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Recommended Standards
- O'2,O2-([1,1'-Biphenyl]-4,4'-diylbis(2-oxoethane-2,1-diyl)) 1,1'-di-tert-butyl (2S,2'S)-bis(pyrrolidine-1,2-dicarboxylate) (CAS 1009119-82-7)
- (R)-5,5'-Octamethylenedioxy-2,2'-bis(diphenylphosphino)biphenyl (CAS 1217339-61-1)
- Bromfenac Impurity 61 (CAS CATO-C4X-200261)
- (S)-5,5'-Octamethylenedioxy-2,2'-bis(diphenylphosphino)biphenyl (CAS 1217339-62-2)
- methyl 3-hydroxy-2-methyl-2-phenylpropanoate (CAS 70397-74-9)
- 2-(3-Methoxy-pyridin-4-yl)-ethylamine dihydrochloride (CAS 1965309-73-2)
- (2R)-4,4-difluoropyrrolidine-2-carboxylic acid hydrochloride (CAS 1407991-25-6)
- (4-Phenoxyphenyl)(pyridin-2-yl)methanone (CAS 68549-67-7)
- 8-methoxy-3-methyl-4-oxo-1,4-dihydroquinoline-2-carboxylic acid (CAS 55895-58-4)
- 2-(3-((Tert-butoxycarbonyl)amino)azetidin-1-yl)-2-(pyridin-3-yl)acetic acid (CAS 885275-93-4)
- (S)-Alaproclate (CAS 66171-75-3)
- 5-Benzyl-4-(prop-2-en-1-yl)-4h-1,2,4-triazole-3-thiol (CAS 21358-12-3)
- 3-(5-(4-Chlorophenyl)furan-2-yl)-N-(2,4-dimethoxyphenyl)propanamide (CAS 853311-55-4)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
Why CATO?
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