Dibutyl (difluoromethane)phosphonate CAS 681-83-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 681-83-4 |
| Molecular Formula | C9H19F2O3P |
| Molecular Weight | 244.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Dibutyl (difluoromethane)phosphonate (CAS 681-83-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H19F2O3P. Molecular weight: 244.22 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H19F2O3P |
| Molecular Weight | 244.22 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | -0.5 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
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Recommended Standards
- 6-Fluoro-7-nitro-9H-fluoren-2-amine (CAS 2267-86-9)
- Diethyl (2-hydroxybenzyl)phosphonate (CAS 50375-72-9)
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- 2-methyl-3-(piperazin-1-yl)pyrazine (CAS 93263-83-3)
- 4-(3-Fluorophenyl)butan-2-one (CAS 3506-77-2)
- N-(2-Hydroxyethyl)-N-methyl-2-pyrrolidinecarboxamide hydrochloride (CAS 1236260-61-9)
- 1,5,5,6,6,10-HexachlorodecaneDiscontinued (CAS 90943-97-8)
- 3-(Bromomethyl)-1-(4-fluorophenyl)pyrrolidine (CAS 1707610-34-1)
- (E)-N-(2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)vinyl)-4-fluoroaniline (CAS 303997-80-0)
- D-Pro38-Tirzepatide (CAS CATO-CPTD788901)
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