cis-3-ethynyl-3-hydroxy-1-methylcyclobutanecarboxylic acid CAS 286442-92-0
| CAS No. | 286442-92-0 |
| Molecular Formula | C8H10O3 |
| Molecular Weight | 154.16 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.
cis-3-ethynyl-3-hydroxy-1-methylcyclobutanecarboxylic acid (CAS 286442-92-0), molecular formula C8H10O3 and molecular weight 154.16 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H10O3, cis-3-ethynyl-3-hydroxy-1-methylcyclobutanecarboxylic acid 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 154.16 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).
CATO manufactures cis-3-ethynyl-3-hydroxy-1-methylcyclobutanecarboxylic acid 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 | C8H10O3 |
| Molecular Weight | 154.16 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related cis Standards
- trans-3-ethynyl-3-hydroxy-1-methylcyclobutanecarboxylic acid (CAS 286443-22-9)
- 3-Ethynyl-1,5-naphthyridine (CAS 1428445-80-0)
- 4-Ethynyl-2,2-dimethyltetrahydro-2H-pyran-4-ol (CAS 15775-89-0)
- 3-Ethynyl-3-hydroxy-1-methylpiperidin-2-one (CAS 1394119-72-2)
- 2-Ethynyl-3-nitrothiophene (CAS 1285535-11-6)
- 2-Ethynyl-5-nitrothiophene (CAS 74610-87-0)
- 4-Ethynyl-3,5-difluoroaniline (CAS 1233501-56-8)
- 4-Ethynyl-2,5-difluoroaniline (CAS 1233521-10-2)
Recommended Standards
- But-2-enoic anhydride (CAS 623-68-7)
- Cyclopropanecarboxylic anhydride (CAS 33993-24-7)
- 7-Oxaspiro[3.5]nonane-1,3-dione (CAS 455264-53-6)
- Ethyl 2-(furan-3-yl)acetate (CAS 57393-62-1)
- tert-Butyl N-[(3-fluoropyrrolidin-3-yl)methyl]carbamate (CAS 872716-26-2)
- N-Methylstearamide (CAS 20198-92-9)
- 6-Isobutyl-3,4-dihydronaphthalen-1(2H)-one (CAS 64959-05-3)
- (1S,5R)-2-Azabicyclo[3.1.0]hexane-1-carboxylic acid (CAS 134732-51-7)
- (3-Fluorophenyl)(pyrrolidin-3-yl)methanone (CAS 1315593-36-2)
- Salbutamol Impurity 69 (CAS 18866-78-9)
- N-methyl-1-(pyrazin-2-yl)methanamine dihydrochloride (CAS 167300-07-4)
- 4-Chloro-3-(difluoromethoxy)-5-methoxythiophene-2-carboxylic acid (CAS 1707609-77-5)
- 5-(1-Ethylpyrrolidin-2-yl)-N,N,4-trimethylpyridin-2-amine (CAS 1352487-61-6)
- Immunstimulating Peptide, human (CAS 94773-24-7)
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