784157-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 784157-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,4,1,5 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 784157-73:
(8*7)+(7*8)+(6*4)+(5*1)+(4*5)+(3*7)+(2*7)+(1*3)=199
199 % 10 = 9
So 784157-73-9 is a valid CAS Registry Number.
784157-73-9Relevant academic research and scientific papers
Convergent synthesis of the ABCDE-ring part of ciguatoxin CTX3C
Fujiwara, Kenshu,Goto, Akiyoshi,Sato, Daisuke,Ohtaniuchi, Yuko,Tanaka, Hideki,Murai, Akio,Kawai, Hidetoshi,Suzuki, Takanori
, p. 7011 - 7014 (2007/10/03)
The ABCDE-ring part (2) of ciguatoxin CTX3C was concisely synthesized from the AB-ring and the E-ring parts (4 and 5).
