139747-16-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139747-16-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,7,4 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 139747-16:
(8*1)+(7*3)+(6*9)+(5*7)+(4*4)+(3*7)+(2*1)+(1*6)=163
163 % 10 = 3
So 139747-16-3 is a valid CAS Registry Number.
139747-16-3Relevant 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.