204120-92-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204120-92-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,1,2 and 0 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 204120-92:
(8*2)+(7*0)+(6*4)+(5*1)+(4*2)+(3*0)+(2*9)+(1*2)=73
73 % 10 = 3
So 204120-92-3 is a valid CAS Registry Number.
204120-92-3Relevant academic research and scientific papers
Total synthesis of an aglycone of spiramycin
Oddon,Uguen
, p. 1157 - 1160 (2007/10/03)
The iodoaldehyde β-8f has been converted efficiently into the title aglycone by means of the Kishi-Nozaki-Takai coupling reaction.
