171523-51-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171523-51-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,5,2 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 171523-51:
(8*1)+(7*7)+(6*1)+(5*5)+(4*2)+(3*3)+(2*5)+(1*1)=116
116 % 10 = 6
So 171523-51-6 is a valid CAS Registry Number.
171523-51-6Relevant articles and documents
Asymmetric total synthesis of the Stemona alkaloid (-)-stenine
Wipf, Peter,Kim, Yuntae,Goldstein, David M.
, p. 11106 - 11112 (2007/10/03)
Stenine can be extracted from the roots of the Chinese medicinal plant Stemona tuberosa (Stemonaceae), and its structure and absolute configuration were derived by comparison to the major Stemona alkaloid tuberostemonine. We report the first enantioselect