872254-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872254-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,2,5 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 872254-52:
(8*8)+(7*7)+(6*2)+(5*2)+(4*5)+(3*4)+(2*5)+(1*2)=179
179 % 10 = 9
So 872254-52-9 is a valid CAS Registry Number.
872254-52-9Relevant articles and documents
Wittig-Horner approach for the synthesis of tamoxifen
Pandey, Rajesh K.,Wakharkar,Kumar, Pradeep
, p. 2795 - 2800 (2005)
A stereoselective synthesis of Z-tamoxifen, a tetra-substituted alkene with antiestrogenic activity, is described. The Wittig-Horner reaction has been employed as the key step to establish the olefin stereochemistry. Copyright Taylor & Francis, Inc.
