(S)-2,2-difluorocyclopentane-1-carboxylic acid CAS 2166030-98-2
| CAS No. | 2166030-98-2 |
| Molecular Formula | C6H8F2O2 |
| Molecular Weight | 150.12 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.
CATO supplies (S)-2,2-difluorocyclopentane-1-carboxylic acid (CAS 2166030-98-2), a certified reference material (molecular formula C6H8F2O2, MW 150.12 g/mol) for analytical method development and quality control.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, (S)-2,2-difluorocyclopentane-1-carboxylic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 150.12 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), (S)-2,2-difluorocyclopentane-1-carboxylic acid 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 | C6H8F2O2 |
| Molecular Weight | 150.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | F-containing |
Related S Standards
- 2,2-Difluorocyclopentane-1-carboxylic acid (CAS 1378525-26-8)
- (R)-2,2-difluorocyclopentane-1-carboxylic acid (CAS 2166223-17-0)
- methyl 2,2-difluorocyclopentane-1-carboxylate (CAS 1781329-42-7)
- 3,3-difluorocyclopentane-1-carbaldehyde (CAS 1553231-11-0)
- 2,2-Difluorocyclopentane-1,3-dione (CAS 1215071-21-8)
- 3,3-difluorocyclopentane-1-carbonitrile (CAS 1379014-57-9)
- 2,2-Difluorocyclopentane-1-carbonitrile (CAS 1781037-41-9)
- Ethyl 3,3-difluorocyclopentane-1-carboxylate (CAS 1042153-25-2)
Recommended Standards
- 2-(1,1-Difluoroethyl)cyclopropanecarboxylic acid (CAS 2229624-99-9)
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- 2,2-Difluorohex-5-enoic acid (CAS 60800-95-5)
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- 2-(2-Phenylacetamido)thiazole-4-carboxylic acid (CAS 887576-91-2)
- (4,5-Dimethoxy-2-nitrophenyl)(p-tolyl)methanol (CAS 886493-49-8)
- 4-Methyl-3-{2-[3-methyl-5-(trifluoromethyl)-1H-pyrazol-1-yl]-1,3-thiazol-4-yl}-5-({[4-(trifluoromethyl)phenyl]methyl}sulfanyl)-4H-1,2,4-triazole (CAS 956753-96-1)
- 4'-Fluoro-3-nitro-[1,1'-biphenyl]-4-carboxylic acid (CAS 669002-37-3)
- 4-(3-(4-Bromophenyl)ureido)-2-methylbenzenesulfonyl chloride (CAS 677327-02-5)
- 4-Chloro-5-hydroxy-2-nitrobenzaldehyde (CAS 873983-83-6)
- (E)-N'-[(4-Methoxyphenyl)methoxy]-N-{thieno[2,3-d]pyrimidin-4-yl}methanimidamide (CAS 477846-26-7)
- Flunarizine EP Impurity B (CAS 39245-25-5)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
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