519753-09-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 519753-09-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,9,7,5 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 519753-09:
(8*5)+(7*1)+(6*9)+(5*7)+(4*5)+(3*3)+(2*0)+(1*9)=174
174 % 10 = 4
So 519753-09-4 is a valid CAS Registry Number.
519753-09-4Relevant articles and documents
Utility of polymer-supported reagents in the total synthesis of lamellarins
Ploypradith, Poonsakdi,Kagan, Rachel Kirk,Ruchirawat, Somsak
, p. 5119 - 5125 (2005)
Four solid-supported reagents have been utilized in the multistep synthesis of lamellarins. The use of Amberlyst A-26 Br3- and polymer bound pyridine hydrobromide perbromide (PVPHP) for keto α-bromination of the less studied ortho-su