1,3-Dimethyl 5,5-dicyano-2-hydroxy-4,6-bis(4-methylphenyl)cyclohex-1-ene-1,3-dicarboxylate CAS 547769-61-9
| CAS No. | 547769-61-9 |
| Molecular Formula | C26H24N2O5 |
| Molecular Weight | 444.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
1,3-Dimethyl 5,5-dicyano-2-hydroxy-4,6-bis(4-methylphenyl)cyclohex-1-ene-1,3-dicarboxylate (CAS 547769-61-9), molecular formula C26H24N2O5 and molecular weight 444.48 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, 1,3-Dimethyl 5,5-dicyano-2-hydroxy-4,6-bis(4-methylphenyl)cyclohex-1-ene-1,3-dicarboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 444.48 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).
As a certified reference material (CRM), 1,3-Dimethyl 5,5-dicyano-2-hydroxy-4,6-bis(4-methylphenyl)cyclohex-1-ene-1,3-dicarboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C26H24N2O5 |
| Molecular Weight | 444.48 g/mol |
| Appearance | Pale yellow to 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 1,4,5,8-Tetraamino-2,7-bis(3-methoxypropoxy)anthracene-9,10-dione (CAS 88601-74-5)
- 1,3-Dihydro-2H-naphtho[2,3-d]imidazole-2-thione (CAS 10486-42-7)
- 2-Bromo-1-(naphthalen-1-yl)ethan-1-ol (CAS 62222-39-3)
- 1,4,6,7,8,9-Hexachlorodibenzo[b,e][1,4]dioxine-2,3-dione (CAS 65005-72-3)
- 2,6-Bis(4-chlorophenyl)-4-phenyl-4H-1,3,5-thiadiazine (CAS 56472-13-0)
- 5,8-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid (CAS 19591-45-8)
- Methyl 6-bromo-4-hydroxynicotinate (CAS 1781900-35-3)
- 2-(Aminooxy)-1-(4-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)ethan-1-one hydrochloride (CAS 321391-87-1)
- Methyl 3-bromo-4-cyano-5-methylbenzoate (CAS 1805580-91-9)
- 1-Ethyl-3-(trifluoromethyl)-4,5-dihydro-1h-pyrazol-5-one (CAS 866472-53-9)
- Fragment-[3-31]-Liraglutide (CAS CATO-C4X-199232)
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