213754-90-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213754-90-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,7,5 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 213754-90:
(8*2)+(7*1)+(6*3)+(5*7)+(4*5)+(3*4)+(2*9)+(1*0)=126
126 % 10 = 6
So 213754-90-6 is a valid CAS Registry Number.
213754-90-6Relevant academic research and scientific papers
Synthesis of the AB ring system of gambierol
Kadota, Isao,Park, Choul-Hong,Ohtaka, Manabu,Oguro, Nao,Yamamoto, Yoshinori
, p. 6365 - 6368 (2007/10/03)
Synthesis of the AB ring system of gambierol (1) was achieved from 2- deoxy-D-ribose. The key steps were the stereoselective allylation of the aldehyde 6, corresponding to the B ring, and the intramolecular hetero- Michael reaction of 9.
