110921-39-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 110921-39-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,0,9,2 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 110921-39:
(8*1)+(7*1)+(6*0)+(5*9)+(4*2)+(3*1)+(2*3)+(1*9)=86
86 % 10 = 6
So 110921-39-6 is a valid CAS Registry Number.
110921-39-6Relevant articles and documents
REGIOSPECIFIC PREPARATION OF α,α-DIHALOFLUOROMETHYL PERFLUOROALKYL KETONES.
Jeong, In Howa,Burton, Donald J.,Cox, Daryl G.
, p. 3709 - 3712 (1986)
Acylation of F-phosphoranium salts with F-acyl chlorides gives the corresponding Z-perfluoro betaine in high yield.Subsequent chlorination or bromination regiospecifically yields the α,α-dihalofluoromethyl perfluoroalkyl ketones.