[21]Crown-7-ether CAS 33089-36-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33089-36-0 |
| Molecular Formula | C14H28O7 |
| Molecular Weight | 308.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies [21]Crown-7-ether (CAS 33089-36-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H28O7. Molecular weight: 308.37 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C14H28O7 |
| Molecular Weight | 308.37 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1966 |
Related Crown Standards
- 18-Crown 6-Ether (CAS 17455-13-9)
- 1-Aza-18-crown-6 (CAS 33941-15-0)
- 15-Crown 5-Ether (CAS 33100-27-5)
- 1-Aza-15-crown 5-Ether (CAS 66943-05-3)
- 30-Crown-6 (1,6,11,16,21,26-Hexaoxacyclotriacontane) (CAS 64001-05-4)
- (-)-(18-Crown-6)-2,3,11,12-tetracarboxylic Acid (CAS 73891-15-3)
- (+)-(18-Crown-6)-2,3,11,12-tetracarboxylic Acid (CAS 61696-54-6)
- 12-Crown 4-Ether (CAS 294-93-9)
Recommended Standards
- [(2-Fluorophenyl)methyl]({[(4-methylphenyl)methyl]sulfamoyl})amine (CAS 337924-24-0)
- 1-((3-(Dimethylamino)propyl)amino)anthracene-9,10-dione (CAS 98130-01-9)
- (Z)-1,2-Bis(phenylsulfonyl)ethene (CAS 963-15-5)
- N-(4-chlorophenyl)-N-(o-tolyl)glycine (CAS 96523-46-5)
- N,N-Bis(2-methylbenzyl)-1-(piperidin-4-yl)methanamine hydrochloride (CAS 1289386-47-5)
- 3-(3-Methoxyphenyl)prop-2-ynoic acid (CAS 7621-89-8)
- 2,3-Dichlorophenyl isothiocyanate (CAS 6590-97-2)
- 5,6-Dimethyl-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190321-66-4)
- Ethyl 3-(4-cyano-3-hydroxyphenyl)propanoate (CAS 246219-43-2)
- D-[Ala]24-Semaglutide (CAS CATO-C4X-2226126)
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