cis-3-(Hydroxymethylene)-3,3a,4,6a-tetrahydro-2H-cyclopenta[b]furan-2-one CAS 205673-22-9
| CAS No. | 205673-22-9 |
| Molecular Formula | C8H8O3 |
| Molecular Weight | 152.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H8O3, cis-3-(Hydroxymethylene)-3,3a,4,6a-tetrahydro-2H-cyclopenta[b]furan-2-one 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 152.15 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).
CATO supplies cis-3-(Hydroxymethylene)-3,3a,4,6a-tetrahydro-2H-cyclopenta[b]furan-2-one (CAS 205673-22-9), a certified reference material (molecular formula C8H8O3, MW 152.15 g/mol) for analytical method development and quality control.
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), cis-3-(Hydroxymethylene)-3,3a,4,6a-tetrahydro-2H-cyclopenta[b]furan-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 | C8H8O3 |
| Molecular Weight | 152.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
Related cis Standards
- 3-(Hydroxymethylene)-3,3a,6,6a-tetrahydro-2H-cyclopenta[b]furan-2-one (CAS 434313-66-3)
- 3-(Hydroxymethylene)furo[3,2-b]furan-2(3H)-one (CAS 375348-57-5)
- 3-Ethyl-5-(hydroxymethylene)-4-methyl-1H-pyrrol-2(5H)-one (CAS 13130-53-5)
- 4-(Hydroxymethylene)-1,2-dimethylpyrazolidine-3,5-dione (CAS 680987-19-3)
- 2-(Hydroxymethylene)indolin-3-one (CAS 70450-85-0)
- 3-(Hydroxymethylene)indolin-2-one (CAS 63273-23-4)
- (E)-3-(Hydroxymethylene)benzofuran-2(3H)-one (CAS 141250-32-0)
- 2-(Hydroxymethylene)benzofuran-3(2H)-one (CAS 389579-63-9)
Recommended Standards
- Benzo[d][1,3]dioxol-5-ylhydrazine (CAS 62646-09-7)
- Dihydro-1H,3H,4H-3a,6a-methanocyclopenta[c]furan-1,3-dione (CAS 2958-67-0)
- Aziridin-1-yl(5-methylisoxazol-3-yl)methanone (CAS 21561-41-1)
- DL-Arabitol (CAS 2152-56-9)
- 2-chloranyl-3-(chloromethyl)-7-methoxy-quinoline 2-chloro-3-(chloromethyl)-7-methoxyquinoline 73863-49-7 A837945 (CAS 73863-49-7)
- (2R,3S,4S,5R,6S)-2-(Acetoxymethyl)-6-(4-(hydroxymethyl)-2-nitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 290298-12-3)
- Acetohexamide-d11 (CAS 2468796-77-0)
- 4-(3-Chlorophenoxy)benzenesulfonamide (CAS 1094537-44-6)
- Sec-Butylbenzene (CAS 135-98-8)
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- Myristoyl Pentapeptide -4 acetate (CAS 959610-30-1(free base))
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