640298-47-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 640298-47-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,0,2,9 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 640298-47:
(8*6)+(7*4)+(6*0)+(5*2)+(4*9)+(3*8)+(2*4)+(1*7)=161
161 % 10 = 1
So 640298-47-1 is a valid CAS Registry Number.
640298-47-1Relevant articles and documents
Total synthesis of (+)-aspergillide C
Kanematsu, Makoto,Yoshida, Masahiro,Shishido, Kozo
scheme or table, p. 1372 - 1374 (2011/03/21)
The enantioselective total synthesis of aspergillide C, a member of a novel class of 14-membered macrolides isolated from the marine-derived fungus Aspergillus ostianus strain 01F313, has been accomplished employing a highly diastereoselective intramolecu
