204120-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204120-85-4 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, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 204120-85:
(8*2)+(7*0)+(6*4)+(5*1)+(4*2)+(3*0)+(2*8)+(1*5)=74
74 % 10 = 4
So 204120-85-4 is a valid CAS Registry Number.
204120-85-4Relevant academic research and scientific papers
Oddon,Uguen
, p. 1157 - 1160 (1998)
The iodoaldehyde β-8f has been converted efficiently into the title aglycone by means of the Kishi-Nozaki-Takai coupling reaction.
