116719-58-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116719-58-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,7,1 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 116719-58:
(8*1)+(7*1)+(6*6)+(5*7)+(4*1)+(3*9)+(2*5)+(1*8)=135
135 % 10 = 5
So 116719-58-5 is a valid CAS Registry Number.
116719-58-5Relevant articles and documents
A Facile Synthesis of 4-Cinnamoyl-dibenzofurans
Ahluwalia, V. K.,Adhikari, R.,Singh, R. P.
, p. 274 - 276 (2007/10/02)
A facile synthesis of 4-cinnamoyldibenzofuran derivatives has been achieved by condensation of 2-bromocyclohexanone with hydroxyacetophenons, ring closure with alkali followed by condensation with benzaldehyde and subsequent dehydrogenation with DDQ.