83567-76-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83567-76-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,5,6 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 83567-76:
(7*8)+(6*3)+(5*5)+(4*6)+(3*7)+(2*7)+(1*6)=164
164 % 10 = 4
So 83567-76-4 is a valid CAS Registry Number.
83567-76-4Relevant articles and documents
(DIETHYLPHOSPHINYL)DIFLUOROMETHYLLITHIUM. -PREPARATION AND SYNTHETIC APPLICATION-
Obayashi, Michio,Ito, Eiji,Matsui, Kiyohide,Kondo, Kiyosi
, p. 2323 - 2326 (2007/10/02)
The action of lithium diisopropylamide on diethyl difluoromethylphosphonate gives the title reagent which reacts with various electrophiles to introduce difluoromethylene or difluoromethyl unit.