75277-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75277-98-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,2,7 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75277-98:
(7*7)+(6*5)+(5*2)+(4*7)+(3*7)+(2*9)+(1*8)=164
164 % 10 = 4
So 75277-98-4 is a valid CAS Registry Number.
75277-98-4Relevant articles and documents
A Convenient Preparation of Aryltrifluoromethylketones
DiMenna, William S.
, p. 2129 - 2132 (2007/10/02)
The reaction of aryllithium reagents prepared by halogen metal exchange or direct metallation with α,α,α-trifluoro-N,N-dimethylacetamide give the corresponding aryltrifluoromethylketones in good yield.
