89044-23-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89044-23-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,0,4 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 89044-23:
(7*8)+(6*9)+(5*0)+(4*4)+(3*4)+(2*2)+(1*3)=145
145 % 10 = 5
So 89044-23-5 is a valid CAS Registry Number.
89044-23-5Relevant academic research and scientific papers
Uyehara, Tadao,Yamada, Jun-ichi,Kato, Tadahiro,Bohlmann, Ferdinand
, p. 4445 - 4446 (1983)
We disclose the first total synthesis of (+/-)-isosesquicarene, the stereostructure of wich has been revised consequently.
