Ethanesulfonyl fluoride, 2-(diethylamino)-1,1-difluoro-2-oxo-, also known as 2-(diethylamino)-2-oxo-1,1-difluoroethanesulfonic acid fluoride or DEF, is a chemical compound with the molecular formula C6H12F2NO3S. It is a colorless, crystalline solid that is soluble in water and organic solvents. DEF is a potent and selective inhibitor of serine proteases, particularly trypsin and chymotrypsin, and is widely used in biochemical research as a specific and irreversible inhibitor of these enzymes. It is also used as a reagent in the synthesis of various pharmaceuticals and agrochemicals. Due to its reactivity, DEF should be handled with care, as it can cause irritation to the eyes, skin, and respiratory system, and may be harmful if ingested or inhaled.
648-75-9
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Basic information
- Product Name: Ethanesulfonyl fluoride, 2-(diethylamino)-1,1-difluoro-2-oxo-
- Synonyms:
- CAS NO:648-75-9
- Molecular Formula: C6H10F3NO3S
- Molecular Weight: 233.212
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: Ethanesulfonyl fluoride, 2-(diethylamino)-1,1-difluoro-2-oxo-(CAS DataBase Reference)
- NIST Chemistry Reference: Ethanesulfonyl fluoride, 2-(diethylamino)-1,1-difluoro-2-oxo-(648-75-9)
- EPA Substance Registry System: Ethanesulfonyl fluoride, 2-(diethylamino)-1,1-difluoro-2-oxo-(648-75-9)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 648-75-9(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 648-75-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,4 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.Calculate Digit Verification of CAS Registry Number 648-75:
(5*6)+(4*4)+(3*8)+(2*7)+(1*5)=89
89 % 10 = 9
So 648-75-9 is a valid CAS Registry Number.
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Ethanesulfonyl fluoride, 2-(diethylamino)-1,1-difluoro-2-oxo-
