143813-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143813-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,8,1 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 143813-76:
(8*1)+(7*4)+(6*3)+(5*8)+(4*1)+(3*3)+(2*7)+(1*6)=127
127 % 10 = 7
So 143813-76-7 is a valid CAS Registry Number.
143813-76-7Relevant academic research and scientific papers
A facile synthesis of alkyl substituted angular benzofurocoumarins
Singh, Rajvir,Malik, Om Parkash
, p. 529 - 531 (2007/10/02)
The synthesis of alkyl substituted benzofurocoumarins involve alkylation of 5-hydroxy-4,7-dimethyl-, 4-ethyl-5-hydroxy-7-methyl-, 6-chloro-7-hydroxy-4-methyl- and chloro-4-ethyl-7-hydroxy-2H-1-benzopyran-2-ones with 2-bromocyclohexanone followed by cyclis
