500591-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500591-03-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,5,9 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 500591-03:
(8*5)+(7*0)+(6*0)+(5*5)+(4*9)+(3*1)+(2*0)+(1*3)=107
107 % 10 = 7
So 500591-03-7 is a valid CAS Registry Number.
500591-03-7Relevant academic research and scientific papers
Formal synthesis of (+/-)-guanacastepene A.
Shi,Hawryluk, Natalie A,Snider, Barry B
, p. 1030 - 1042 (2007/10/03)
A 17 step synthesis of 55, a late intermediate in Danishefsky's guanacastepene A synthesis, has been completed in 4% overall yield. Key features include the use of vinylmagnesium bromide in the Pd-catalyzed coupling with triflate 13 to give triene 16 with
