74909-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74909-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,0 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74909-04:
(7*7)+(6*4)+(5*9)+(4*0)+(3*9)+(2*0)+(1*4)=149
149 % 10 = 9
So 74909-04-9 is a valid CAS Registry Number.
74909-04-9Relevant articles and documents
Revision of the structures of linaresine and dihydrolinaresine
Garcia, Alberto,Castedo, Luis,Dominguez, Domingo
, p. 5929 - 5932 (2007/10/03)
The alkaloids linaresine and dihydrolinaresine have the structures of the known benzoyl isoquinoline rugosinone (4) and dihydrorugosinone (5).