1,1'-(Ethene-1,1-diylbis(1H-indole-3,1-diyl))bis(ethan-1-one) CAS 69262-87-9
| CAS No. | 69262-87-9 |
| Molecular Formula | C22H18N2O2 |
| Molecular Weight | 342.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1'-(Ethene-1,1-diylbis(1H-indole-3,1-diyl))bis(ethan-1-one) (CAS 69262-87-9), molecular formula C22H18N2O2 and molecular weight 342.39 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 1,1'-(Ethene-1,1-diylbis(1H-indole-3,1-diyl))bis(ethan-1-one) is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 342.39 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 1,1'-(Ethene-1,1-diylbis(1H-indole-3,1-diyl))bis(ethan-1-one) 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 | C22H18N2O2 |
| Molecular Weight | 342.39 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.) | 1976 |
| Nitrogen Atoms | 2 |
Related Ethene Standards
- 2,2'-(Ethene-1,2-diyl)bis(benzo[d]oxazole-5-carboxylic acid) (CAS 67668-97-7)
- (E)-5,5'-(Ethene-1,2-diyl)diisophthalic acid (CAS 1025726-44-6)
- 3,3'-(Ethene-1,2-diyl)bis(2-ethoxyisoxazolidine-5-carbonitrile) (CAS 61738-39-4)
- 4,4'-(Ethene-1,2-diyl)bis(N-(3-hydroxypropyl)benzamide) (CAS 252025-40-4)
- 4,4',4'',4'''-(Ethene-1,1,2,2-tetrayl)tetraaniline (CAS 78525-34-5)
- Ethene-1,1-diylbis(diphenylphosphine) (CAS 84494-89-3)
- (E)-6,6'-(ethene-1,2-diyl)bis(3-hydrazinylbenzenesulfonic acid) (CAS 26092-49-9)
- 2,2'-(Ethene-1,1-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 339166-89-1)
Recommended Standards
- 1,1'-((7-Nitro-9H-fluoren-2-yl)azanediyl)bis(propan-2-ol) (CAS 6583-93-3)
- 1,1’-[Oxybis(4,1-phenylene)]bis(2-hydroxy-2-methyl-1-propanone) (CAS 71868-15-0)
- 1,1'-(((Oxybis(ethane-2,1-diyl))bis(oxy))bis(2,1-phenylene))bis(ethan-1-one) (CAS 89579-20-4)
- 1,2,3,4-tetrahydro-6,7-dimethoxy-2-[2-(4-nitrophenyl)ethyl]-Isoquinoline (CAS 82925-01-7)
- 3,5-Di-tert-butyl-4-hydroxybenzaldehyde hemihydrate (CAS 207226-32-2)
- (S)-(5-Fluoro-2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methanol (CAS 1420537-26-3)
- 3-Methyl-N-(2-methyl-2H-tetrazol-5-yl)butanamide (CAS 578755-27-8)
- 4-Ethyl 2-(2-propen-1-yl) 5-[(2-chloroacetyl)amino]-3-methyl-2,4-thiophenedicarboxylate (CAS 730951-35-6)
- 1-(2-fluoroethyl)azetidin-3-amine (CAS 1516698-94-4)
- 3-Pentanone, 1,5-bis(4-hydroxyphenyl)- (CAS 93652-23-4)
- Carbidopa Impurity 36 (CAS 1026009-73-3)
- 4-Iodobut-1-ene (CAS 7766-51-0)
- 2-Benzoyl-4-chlorobenzoic acid (CAS 33184-56-4)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
Why CATO?
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