4-(chloro-difluoro-methyl)-benzoyl fluoride is a chemical compound with the molecular formula C8H3ClF2O. It is a colorless liquid at room temperature and is characterized by its distinct chemical structure, which includes a benzoyl group (C6H5-CO-), a chloro-difluoro-methyl group (-CHClF2), and a fluorine atom attached to the carbonyl carbon. 4-(chloro-difluoro-methyl)-benzoyl fluoride is primarily used as a reagent in organic synthesis, particularly in the preparation of pharmaceuticals and agrochemicals. Due to its reactivity, it is essential to handle it with care, as it can be hazardous and may require specific safety measures during its use and storage.
657-90-9
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Basic information
- Product Name: 4-(chloro-difluoro-methyl)-benzoyl fluoride
- Synonyms:
- CAS NO:657-90-9
- Molecular Formula:
- Molecular Weight: 208.567
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: 185.7-187 °C
- Flash Point: N/A
- Appearance: N/A
- Density: 1.396±0.06 g/cm3(Predicted)
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 4-(chloro-difluoro-methyl)-benzoyl fluoride(CAS DataBase Reference)
- NIST Chemistry Reference: 4-(chloro-difluoro-methyl)-benzoyl fluoride(657-90-9)
- EPA Substance Registry System: 4-(chloro-difluoro-methyl)-benzoyl fluoride(657-90-9)
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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: 657-90-9(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 657-90-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,5 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.Calculate Digit Verification of CAS Registry Number 657-90:
(5*6)+(4*5)+(3*7)+(2*9)+(1*0)=89
89 % 10 = 9
So 657-90-9 is a valid CAS Registry Number.
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4-(chloro-difluoro-methyl)-benzoyl fluoride
