721431-24-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 721431-24-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,1,4,3 and 1 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 721431-24:
(8*7)+(7*2)+(6*1)+(5*4)+(4*3)+(3*1)+(2*2)+(1*4)=119
119 % 10 = 9
So 721431-24-9 is a valid CAS Registry Number.
721431-24-9Relevant articles and documents
Biotinylated geldanamycin
Clevenger, Randell C.,Raibel, Joseph M.,Peck, Angela M.,Blagg, Brian S. J.
, p. 4375 - 4380 (2007/10/03)
Inhibition of the 90 kDa heat shock proteins (Hsp90) represents a promising new chemotherapeutic approach for the treatment of several cancers. Hsp90 is essential to the survival of cancer cells and is inhibited by members of the ansamycin family of antib