157584-43-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157584-43-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,5,8 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 157584-43:
(8*1)+(7*5)+(6*7)+(5*5)+(4*8)+(3*4)+(2*4)+(1*3)=165
165 % 10 = 5
So 157584-43-5 is a valid CAS Registry Number.
157584-43-5Relevant articles and documents
A convenient synthesis of perfluoroalkylated amines by oxidative desulfurization-fluorination
Kuroboshi, Manabu,Hiyama, Tamejiro
, p. 3983 - 3984 (1994)
N-Perfluoroalkylamines were synthesized from perfluoroalkanethioamides, which were easily accessible from perfluoroalkanamides, by the action of N-halo imide and nBu4NH2F3.