91303-40-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91303-40-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,0 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 91303-40:
(7*9)+(6*1)+(5*3)+(4*0)+(3*3)+(2*4)+(1*0)=101
101 % 10 = 1
So 91303-40-1 is a valid CAS Registry Number.
91303-40-1Relevant academic research and scientific papers
Synthesis of Mono- and Divinyl Ethers of Tetra(oxyethylene)
Bayer, Ernst,De-Qing, Wei,Geckeler, Kurt
, p. 1994 - 1997 (2007/10/02)
The derivatives 3, 4, and 6 - 8 of tetra(oxyethylene) (1) are prepared. 3, 4, and 8 are obtained by direct vinylation in the presence of vinyl acetate and mercury acetate. 6 and 7 are prepared by esterification of 1 with 3,5-dinitrobenzoyl chloride (5) an
