32810-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32810-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,8,1 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 32810-57:
(7*3)+(6*2)+(5*8)+(4*1)+(3*0)+(2*5)+(1*7)=94
94 % 10 = 4
So 32810-57-4 is a valid CAS Registry Number.
32810-57-4Relevant academic research and scientific papers
Selective formation of six-membered oxa- and carbocycles by the In(III)-activated ring closure of acetylenic substrates
Qiu, Wen-Wei,Surendra, Karavadhi,Yin, Liang,Corey
, p. 5893 - 5895 (2011/12/16)
Fifteen examples are disclosed of efficient In(III)-catalyzed six-membered ring closure leading to bi-, tri-, and tetracyclic products.