4-(Tetrahydro-2h-pyran-4-yl)but-3-en-2-one CAS 132845-78-4
| CAS No. | 132845-78-4 |
| Molecular Formula | C9H14O2 |
| Molecular Weight | 154.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-(Tetrahydro-2h-pyran-4-yl)but-3-en-2-one (CAS 132845-78-4), molecular formula C9H14O2 and molecular weight 154.21 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 4-(Tetrahydro-2h-pyran-4-yl)but-3-en-2-one is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 154.21 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 4-(Tetrahydro-2h-pyran-4-yl)but-3-en-2-one 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 | C9H14O2 |
| Molecular Weight | 154.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
Related Tetrahydro Standards
- 2,3,4,6-tetrahydro-1H-1,6-naphthyridin-5-one (CAS 155057-98-0)
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- 5,6,7,8-tetrahydro-2-naphthol (CAS 1125-78-6)
- 5,6,7,8-Tetrahydro-2H-isoxazolo[5,4-b]azepin-3(4H)-one (CAS 121379-66-6)
- (4,5,6,7-Tetrahydro-[1,2,3]triazolo[1,5-a]pyrazin-3-yl)methanol (CAS 1575612-80-4)
- 2-Tetrahydro-2H-pyran-4-yl-1,3,4-oxadiazole (CAS 1823378-91-1)
- (5,6,7,8-Tetrahydro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)methanol (CAS 945262-31-7)
- 3-Ethyl-4-(tetrahydro-thiopyran-4-yl)-pyridine (CAS 439928-60-6)
Recommended Standards
- 1-(tert-Butyl)-3-methyl-1H-pyrazol-5(4H)-one (CAS 132214-71-2)
- 3-methyl-1H,2H,3H-pyrrolo[2,3-b]pyridin-2-one (CAS 1330055-85-0)
- (6S)-1,4-Diazabicyclo[4.3.1]decan-2-one (CAS 1315050-37-3)
- 1-Allyl-3-aminopiperidin-2-one (CAS 1339088-90-2)
- 1-Phenyl-3-(thiophen-2-yl)-1H-pyrazol-5-amine (CAS 161952-26-7)
- 7-(4-Bromophenyl)dibenzo[c,h]acridine (CAS 1352166-93-8)
- 2-[(3,4-Dichlorophenyl)sulfanyl]-6-(4-fluorophenyl)pyridine-3-carbonitrile (CAS 252059-89-5)
- (E)-4-methyl-N'-(4-methylbenzylidene)benzenesulfonohydrazide (CAS 40739-81-9)
- 2-(4-Aminophenyl)pyrimidin-5-amine (CAS 895156-59-9)
- N-(3-(Aminomethyl)-5-cyclopropoxypyridin-4-yl)methanesulfonamide (CAS 1243469-58-0)
- 2-Chloro-N-((R)-1-phenylethyl)propanamide (CAS 1240349-80-7)
- 2-((Trifluoromethyl)thio)isonicotinonitrile (CAS 1204235-06-2)
- 2-Cyano-3-[1-(4-methoxyphenyl)-2,5-dimethyl-1h-pyrrol-3-yl]prop-2-enoic acid (CAS 736949-03-4)
- Liraglutide Impurity 31 (CAS CATO-C4X-199231)
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