trans-3-ethynyl-3-hydroxy-1-methylcyclobutanecarboxylic acid CAS 286443-22-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 286443-22-9 |
| Molecular Formula | C8H10O3 |
| Molecular Weight | 154.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
trans-3-ethynyl-3-hydroxy-1-methylcyclobutanecarboxylic acid (CAS 286443-22-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H10O3. Molecular weight: 154.16 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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 trans Standards
- cis-3-ethynyl-3-hydroxy-1-methylcyclobutanecarboxylic acid (CAS 286442-92-0)
- 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)
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- 4-Ethynyl-3,5-difluoroaniline (CAS 1233501-56-8)
- 4-Ethynyl-2,5-difluoroaniline (CAS 1233521-10-2)
Recommended Standards
- rel-(3R,3aR,5R,6aR,7R)-7-Hydroxyhexahydro-2H-3,5-methanocyclopenta[b]furan-2-one (CAS 61380-96-9)
- 2-Butynoic acid, (2Z)-4-hydroxy-2-butenyl ester 393790-13-1 CTK1B4012 (CAS 393790-13-1)
- rel-(3aR,7aR)-3a-Hydroxy-3,3a,7,7a-tetrahydrobenzofuran-6(2H)-one (CAS 94535-01-0)
- 1-((4-Cyclohexylphenyl)sulfonyl)-4-phenylpiperazine (CAS 430471-95-7)
- 2-(Aminomethyl)-3,6-dibromo-4-(difluoromethyl)pyridine (CAS 1805959-65-2)
- 3-(ethanesulfonyl)propan-1-amine hydrochloride (CAS 408305-05-5)
- Methyl 6-isopropoxynicotinate (CAS 1334490-27-5)
- 4-(3-Iodobenzyl)morpholine (CAS 731812-03-6)
- 7-Methoxy-2-methylimidazo[1,2-a]pyridine (CAS 1204527-87-6)
- Hexapeptide-9 (CAS 1228371-11-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com