21824-59-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21824-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,2 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 21824-59:
(7*2)+(6*1)+(5*8)+(4*2)+(3*4)+(2*5)+(1*9)=99
99 % 10 = 9
So 21824-59-9 is a valid CAS Registry Number.
21824-59-9Relevant academic research and scientific papers
An Efficient Synthesis of Racemic Necine Bases from a Common Intermediate
Niwa, Haruki,Kuroda, Akio,Sakata, Tomoyo,Yamada, Kiyoyuki
, p. 2541 - 2543 (2007/10/03)
Necine bases of pyrrolizidine alkaloids, turneforcidine, hastanecine, and platynecine are synthesized from ethyl 1-hydroxy-2,3,5,6-tetrahydro-1H-pyrrolizine-7-carboxylate in racemic form.
