54441-33-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54441-33-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,4,4 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54441-33:
(7*5)+(6*4)+(5*4)+(4*4)+(3*1)+(2*3)+(1*3)=107
107 % 10 = 7
So 54441-33-7 is a valid CAS Registry Number.
54441-33-7Relevant academic research and scientific papers
Huang, Jin-Wen,Shi, Min
, p. 9343 - 9347 (2003)
Methylenecyclopropanes react with various arenes to give the Friedel-Crafts reaction products in good yields in the presence of Lewis acid BF3·OEt2.
