117824-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117824-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,8,2 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 117824-56:
(8*1)+(7*1)+(6*7)+(5*8)+(4*2)+(3*4)+(2*5)+(1*6)=133
133 % 10 = 3
So 117824-56-3 is a valid CAS Registry Number.
117824-56-3Relevant articles and documents
A KEY INTERMEDIATE FOR THE SYNTHESIS OF ANTITUMOR LIGNAN PROTOTYPES
Belletire, J. L.,Fremont, S. L.,Fry, D. F.
, p. 699 - 710 (2007/10/02)
Procedures are described for the convenient generation of an iodinated carboxylic acid possessing considerable utility as a precursor to several biologically active lignans.