28230-74-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28230-74-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,2,3 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 28230-74:
(7*2)+(6*8)+(5*2)+(4*3)+(3*0)+(2*7)+(1*4)=102
102 % 10 = 2
So 28230-74-2 is a valid CAS Registry Number.
28230-74-2Relevant academic research and scientific papers
THE DEMETHYLATION OF APORPHINES WITH SULFURIC ACID
Castedo, Luis,Lera, Angel Rodriguez de,Saa, Jose M.,Suau, Rafael,Villaverde, Carmen
, p. 1135 - 1138 (2007/10/02)
Sulfuric acid at room temperature has been found a useful reagent for interconverting aporphine alkaloids by selective O-demethylation.This was controlled by electronic or steric effects.
