4,4'-Oxybis(butan-2-ol) CAS 821-33-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 821-33-0 |
| Molecular Formula | C8H18O3 |
| Molecular Weight | 162.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,4'-Oxybis(butan-2-ol) (CAS 821-33-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H18O3. Molecular weight: 162.23 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H18O3 |
| Molecular Weight | 162.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1957 |
Related Oxybis Standards
- 3,3'-Oxybis(butan-1-ol) (CAS 54289-82-6)
- 3,3'-Oxybis(propane-1,2-diol) (CAS 627-82-7)
- 1,1'-Oxybis(2-chloroethan-1-ol) (CAS 7737-02-2)
- 2,2'-[oxybis(methanediylbenzene-3,1-diyl)]diethanol 6607-66-5 AR-1D0994 (CAS 6607-66-5)
- 2,2'-Oxybis(ethane-1-thiol) (CAS 2150-02-9)
- 2,2'-Oxybis(N,N-dimethylacetamide) (CAS 34866-70-1)
- 3,3’-Oxybis(1-propanol) (CAS 2396-61-4)
- 2,2-[Oxybis(2,1-ethanediylimino)]bis-ethanol (CAS 50977-93-0)
Recommended Standards
- Levofloxacin impurity 02 (CAS 3403-82-5)
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- 4,4-dimethyl-3,4-dihydro-2H-1-benzopyran (CAS 40614-27-5)
- 1H-Indole-2-carboxamide (CAS 1670-84-4)
- 2,5-Di-4-pyridinylpyrimidine (CAS 159488-46-7)
- (S)-6-(Trifluoromethyl)-1,2,3,4-tetrahydronaphthalen-1-amine (CAS 1212870-73-9)
- 2-Ethyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 1260023-43-5)
- N-(1,1-dioxidotetrahydrothiophen-3-yl)acrylamide (CAS 507456-11-3)
- Tert-butyl ((3aR,6aS)-6a-fluorohexahydrocyclopenta[c]pyrrol-3a(1H)-yl)carbamate (CAS 1037367-55-7)
- Semaglutide impurity 80 (CAS CATO-C4X-222680)
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