2-Ethynyl-1,3,5-trimethylbenzene CAS 769-26-6
| CAS No. | 769-26-6 |
| Molecular Formula | C11H12 |
| Molecular Weight | 144.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Ethynyl-1,3,5-trimethylbenzene is closely related to an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 2-Ethynyl-1,3,5-trimethylbenzene (CAS 769-26-6), a certified reference material (molecular formula C11H12, MW 144.21 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H12, 2-Ethynyl-1,3,5-trimethylbenzene contains an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 144.21 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.
CATO manufactures 2-Ethynyl-1,3,5-trimethylbenzene 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 | C11H12 |
| Molecular Weight | 144.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Ethynyl Standards
- 1-Ethynyl-2-isopropylbenzene (CAS 75659-50-6)
- 1-Ethynyl-4-isopropylbenzene (CAS 23152-99-0)
- 1-Ethynyl-4-propylbenzene (CAS 62452-73-7)
- 2-Ethynyl-4-methylbenzaldehyde (CAS 1015731-87-9)
- 5-Ethynyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridine (CAS 1060795-33-6)
- 2-Ethynyl-5-methylbenzaldehyde (CAS 1309565-96-5)
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- 7-Ethynyl-2,3-dihydrobenzofuran (CAS 1594068-22-0)
Recommended Standards
- 2-Ethylpentanoic Acid Methyl Ester (CAS 816-16-0)
- 2-Heptanone,5-(Hydroxymethyl) (CAS 498572-74-0)
- 2-Ethyl-3-hydroxyhexanal (CAS 496-03-7)
- 2-Isopropyltetrahydro-2h-pyran-4-ol (CAS 23077-50-1)
- 5-(4-Chloro-2-fluorophenyl)pyrimidin-2-amine (CAS 1111111-97-7)
- 3,4,9,10-Perylenetetracarboxylic Dianhydride (purified by sublimation) (CAS 128-69-8)
- 6-(3,5-Dimethylphenyl)-6-oxohexanoic acid (CAS 857481-29-9)
- 2-(2,6-Dimethoxyphenyl)pyrrolidine (CAS 383127-42-2)
- 2-(3-Methoxyphenyl)-2-oxoethyl (2E,4E)-hexa-2,4-dienoate (CAS 859137-70-5)
- 4-Bromo-5-(bromomethyl)-6-chloro-2-methylpyrimidine (CAS 856975-67-2)
- Benzyl N-(5-methoxypyridin-2-yl)carbamate (CAS 2055119-11-2)
- imidazo[1,5-b]pyridazine (CAS 51741-28-7)
- 1-((1R,5R)-3,6-diazabicyclo[3.2.1]Octan-3-yl)ethan-1-one (CAS 1215170-07-2)
- Insulin Detemir (CAS 169148-63-4)
Why CATO?
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