89291-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89291-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,2,9 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89291-90:
(7*8)+(6*9)+(5*2)+(4*9)+(3*1)+(2*9)+(1*0)=177
177 % 10 = 7
So 89291-90-7 is a valid CAS Registry Number.
89291-90-7Relevant articles and documents
TOTAL SYNTHESIS OF BICYCLOMYCIN
Nakatsuka, Shin-ichi,Yamada, Kozi,Yoshida, Kumi,Asano, Osamu,Murakami, Yoshihiro,Goto, Toshio
, p. 5627 - 5630 (2007/10/02)
Total synthesis of (+/-)-bicyclomycin was achieved in 19 steps starting from diketopyperazine.