Cyclopenta-2,4-dien-1-ylidenemethyl acetate CAS 699-15-0
| CAS No. | 699-15-0 |
| Molecular Formula | C8H8O2 |
| Molecular Weight | 136.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 136.15 g/mol gives Cyclopenta-2,4-dien-1-ylidenemethyl acetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Cyclopenta-2,4-dien-1-ylidenemethyl acetate (CAS 699-15-0), molecular formula C8H8O2 and molecular weight 136.15 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H8O2, Cyclopenta-2,4-dien-1-ylidenemethyl acetate contains a carboxylic acid group, 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 136.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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), Cyclopenta-2,4-dien-1-ylidenemethyl acetate 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 | C8H8O2 |
| Molecular Weight | 136.15 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Cyclopenta Standards
- Cyclopenta[d]imidazole-2,5(1H,3H)-dione (CAS 853657-79-1)
- 5H-Cyclopenta[b]pyridin-6(7H)-one (CAS 1256823-82-1)
- Cyclopenta[c]pyran-7-carbaldehyde (CAS 85051-41-8)
- 5H-Cyclopenta[c]pyridine-5,7(6H)-dione (CAS 5807-19-2)
- 5-(Cyclopenta-1,3-dien-1-yl)-1H-pyrazol-3-amine (CAS 286374-99-0)
- Methyl cyclopenta-1,4-diene-1-carboxylate (CAS 73223-48-0)
- 1-(Cyclopenta-2,4-dien-1-yl)-N,N-dimethylmethanamine (CAS 172603-78-0)
- 1-(Cyclopenta-2,4-dien-1-ylidene)ethyl acetate (CAS 701-12-2)
Recommended Standards
- cyclohepta-2,4,6-triene-1-carboxylic acid (CAS 4440-40-8)
- Cyclopropyl(1H-imidazol-2-yl)methanone (CAS 952200-96-3)
- Bis-aminooxy-PEG1 (CAS 93460-33-4)
- Cyclopropyl(1H-pyrazol-1-yl)methanone (CAS 540755-00-8)
- Methyl 6-Bromo-2,6-dideoxy-α-D-ribo-hexopyranoside Dibenzoate (CAS 18933-67-0)
- 4-(4-(Hydroxymethyl)piperidin-1-yl)benzonitrile (CAS 162997-46-8)
- 3-Amino-4-methyl-5-phenylpyrazole (CAS 66367-67-7)
- 3-Isopropylcyclopent-2-en-1-one (CAS 1619-28-9)
- 7H-benzo[no]tetraphen-7-one (CAS 60848-01-3)
- 5-Hydroxy-1H-pyrrolo[2,3-b]pyridine-3-carbonitrile (CAS 1016241-62-5)
- 4-(Dibenzylamino)cyclohexanone (CAS 149506-79-6)
- 3-Chloro-5-fluoro-[1,1'-biphenyl]-4-thiol (CAS 1443354-10-6)
- Ethyl 2-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-oxoacetate (CAS 131030-47-2)
- (Asn5)-Delta-Sleep Inducing Peptide (H-2555.0005) (CAS 80064-67-1)
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