258522-24-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 258522-24-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,5,2 and 2 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 258522-24:
(8*2)+(7*5)+(6*8)+(5*5)+(4*2)+(3*2)+(2*2)+(1*4)=146
146 % 10 = 6
So 258522-24-6 is a valid CAS Registry Number.
258522-24-6Relevant articles and documents
A formal synthesis of (+)-Huperzine A
Haudrechy, Arnaud,Chassaing, Christophe,Riche, Claude,Langlois, Yves
, p. 3181 - 3187 (2007/10/03)
A new formal stereoselective synthesis of (+)-Huperzine A (1) was achieved using as a key step a palladium mediated annulation between 2- methylene-1,3-propanediol diacetate and (1R,2S)-2-phenylcyclohexanol derived β-ketoester 2c. (C) 2000 Elsevier Science Ltd.
