33329-41-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33329-41-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,3,2 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 33329-41:
(7*3)+(6*3)+(5*3)+(4*2)+(3*9)+(2*4)+(1*1)=98
98 % 10 = 8
So 33329-41-8 is a valid CAS Registry Number.
33329-41-8Relevant articles and documents
A New Route Towards 8-Oxoprotoberberines
Vicente, Teresa,Marigorta, Eduardo Martinez de,Dominguez, Esther,Carrillo, Luisa,Badia, Dolores
, p. 2067 - 2072 (2007/10/02)
A new and short route for the preparation of 5-hydroxy-8-oxoprotoberberines and their conformational analysis are reported.