89771-50-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89771-50-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,7,7 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89771-50:
(7*8)+(6*9)+(5*7)+(4*7)+(3*1)+(2*5)+(1*0)=186
186 % 10 = 6
So 89771-50-6 is a valid CAS Registry Number.
89771-50-6Relevant academic research and scientific papers
Synthesis of (+/-)-Lasubine I and II and (+/-)-Subcosine I
Iida, Hideo,Tanaka, Masao,Kibayashi, Chihiro
, p. 1909 - 1912 (2007/10/02)
The first total synthesis of lasubine I and II and subcosine I has been achieved.A crucial step of this synthesis involves thermal dipolar cycloaddition of 1-(3,4-dimethoxyphenyl)butadiene with 2,3,4,5-tetrahydropyridine 1-oxide, affording the E and
