(+)-(18-Crown-6)-2,3,11,12-tetracarboxamide 57207-22-4 [2R-(2R*,3R*,11R*,12R*)]-N,N,N',N',N'',N'',N''',N'''-Octamethyl-1,4,7,10,13,16-hexaoxacyclooctadecane-2,3,11,12-tetracarboxamide CAS 57207-22-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 57207-22-4 |
| Molecular Formula | C24H44N4O10 |
| Molecular Weight | 548.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(+)-(18-Crown-6)-2,3,11,12-tetracarboxamide 57207-22-4 [2R-(2R*,3R*,11R*,12R*)]-N,N,N',N',N'',N'',N''',N'''-Octamethyl-1,4,7,10,13,16-hexaoxacyclooctadecane-2,3,11,12-tetracarboxamide (CAS 57207-22-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H44N4O10. Molecular weight: 548.63 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H44N4O10 |
| Molecular Weight | 548.63 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 4 |
Related Crown Standards
- 18-Crown-5 [4-(2,4-dinitrophenylazo)phenol] (CAS 81238-58-6)
- 15-Crown-4[4-(2,4-Dinitrophenylazo)phenol] (CAS 81238-57-5)
- (-)-(18-Crown-6)-2,3,11,12-tetracarboxylic Acid (CAS 73891-15-3)
- (+)-(18-Crown-6)-2,3,11,12-tetracarboxylic Acid (CAS 61696-54-6)
- 80403-59-4 Bis[(12-crown-4)methyl] dodecylmethylmalonate Dodecylmethylmalonic acid bis[(12-crown-4)methyl ester] Sodium ionophore VI (CAS 80403-59-4)
- 30-Crown-6 (1,6,11,16,21,26-Hexaoxacyclotriacontane) (CAS 64001-05-4)
- [21]Crown-7-ether (CAS 33089-36-0)
- 18-Crown 6-Ether (CAS 17455-13-9)
Recommended Standards
- Tris(4-(pyridin-4-ylethynyl)phenyl)amine (CAS 359647-66-8)
- Diclofenac impurity 13 (CAS CATO-C4X-161413)
- 1-{[1,1'-biphenyl]-4-yl}-2-{[5-(2-{[1,1'-biphenyl]-4-yl}-2-oxoethoxy)naphthalen-1-yl]oxy}ethan-1-one (CAS 439095-21-3)
- 4-Bromo-7-(3-fluorophenyl)isoquinolin-1-amine (CAS 1449278-32-3)
- 4-Fluoro-2-(pentyloxy)aniline (CAS 1019114-95-4)
- Trazodone impurity 54 (CAS CATO-C4X-177254)
- 2-(4-(Diethylamino)phenyl)-2-oxoacetic acid (CAS 151453-17-7)
- (S)-1-METHYL-5-VINYLPYRROLIDIN-2-ONE (CAS 122663-18-7)
- Ceftazidime Impurity 24 (CAS CATO-C4X-121224)
- GnRH Associated Peptide (GAP) (1-13), human (CAS 100111-07-7)
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