689225-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 689225-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,9,2,2 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 689225-40:
(8*6)+(7*8)+(6*9)+(5*2)+(4*2)+(3*5)+(2*4)+(1*0)=199
199 % 10 = 9
So 689225-40-9 is a valid CAS Registry Number.
689225-40-9Relevant academic research and scientific papers
The first total synthesis of lymphostin
Tatsuta, Kuniaki,Imamura, Keisuke,Itoh, Sayaka,Kasai, Soko
, p. 2847 - 2850 (2007/10/03)
Lymphostin (1), a novel immunosuppressant, has been synthesized from tryptophan through six kinds of regioselectively oxidative reactions.
