(E)-2-(3,5,5-Trimethylcyclohex-2-en-1-ylidene)acetaldehyde CAS 59820-19-8
| CAS No. | 59820-19-8 |
| Molecular Formula | C11H16O |
| Molecular Weight | 164.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (E)-2-(3,5,5-Trimethylcyclohex-2-en-1-ylidene)acetaldehyde.
(E)-2-(3,5,5-Trimethylcyclohex-2-en-1-ylidene)acetaldehyde (CAS 59820-19-8) is a high-purity analytical reference standard with the molecular formula C11H16O and a molecular weight of 164.24 g/mol.
Based on its molecular formula C11H16O, (E)-2-(3,5,5-Trimethylcyclohex-2-en-1-ylidene)acetaldehyde contains a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 164.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), (E)-2-(3,5,5-Trimethylcyclohex-2-en-1-ylidene)acetaldehyde 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 | C11H16O |
| Molecular Weight | 164.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
Related E Standards
- 1-(2,6,6-Trimethylcyclohex-1-en-1-yl)ethanone (CAS 1197-92-8)
- 1-(2,6,6-Trimethylcyclohex-3-en-1-yl)ethanone (CAS 25915-53-1)
- 2-(2,6,6-Trimethylcyclohex-1-en-1-yl)ethan-1-amine (CAS 1000508-89-3)
- (2,6,6-Trimethylcyclohex-1-en-1-yl)boronic acid (CAS 661492-75-7)
- 2,4,4-trimethylcyclohex-1-ene-1-carboxylic acid (CAS 18088-97-6)
- 1,3,4-Trimethylcyclohex-3-enecarboxylic acid (CAS 68826-24-4)
- (2,4,4-trimethylcyclohex-1-en-1-yl)methanol (CAS 103985-40-6)
- 2,6,6-Trimethylcyclohex-2-en-4-ol-1-one (CAS 19620-37-2)
Recommended Standards
- (5S)-2,3-Dimethyl-5-(prop-1-en-2-yl)cyclohex-2-en-1-one (CAS 85710-66-3)
- (E)-2-(Hex-1-en-1-yl)-5-methylfuran (CAS 861902-48-9)
- (3-(tert-Butyl)phenyl)methanol (CAS 51503-09-4)
- (Pentyloxy)benzene (CAS 2050-04-6)
- 3-Chloro-1H-indole-2-carbohydrazide (CAS 441801-15-6)
- 3-(2,4-Dichlorophenyl)-2-fluoroaniline (CAS 1361866-28-5)
- 4,6-dichloro-1-(propan-2-yl)-1H-pyrazolo[3,4-d]pyrimidine (CAS 21254-22-8)
- 3-Bromo-5-fluorobenzene-1-sulfonamide (CAS 1843194-48-8)
- 4-Oxo-4-(4-(trifluoromethyl)phenyl)butanenitrile (CAS 898783-70-5)
- 2-Methylbenzofuran-6-ol (CAS 54584-24-6)
- 5-(4-propanoylphenoxy)pentanoic acid (CAS 1039915-79-1)
- 3-(4-Ethyl-5-((3-methylbenzyl)thio)-4H-1,2,4-triazol-3-yl)pyridine (CAS 577696-07-2)
- L-α-Glutamyl-L-alanyl-L-valyl-L-seryl-L-leucyl-L-lysyl-L-prolyl-L-threonine (CAS 182683-50-7)
- Des-[Gly]31-Semaglutide(x TFA Salt) (CAS 873874-39-6(free base))
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