Cas 191084-54-5,1-Phenyl-6-thia-1-azaspiro<4.5>deca-3,8-dien-2-one

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Check Digit Verification of cas no

The CAS Registry Mumber 191084-54-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,0,8 and 4 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 191084-54:
(8*1)+(7*9)+(6*1)+(5*0)+(4*8)+(3*4)+(2*5)+(1*4)=135
135 % 10 = 5
So 191084-54-5 is a valid CAS Registry Number.

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191084-54-5Relevant academic research and scientific papers

Highly Regio-, Stereo-, and Chemoselective Diels-Alder Reaction of Monothiomaleimide, an Ambident C=S and C=C Dienophile

Tamaru, Yoshinao,Sakata, Hiroya,Kimura, Masanari,Harayama, Hiroto,Konishi, Hironobu,et al.

, p. 2365 - 2366 (1994)

The thiocarbonyl group of monothiomaleimide 1 serves as a more reactive dienophile than the electron-deficient C=C double bond in the same molecule for the Diels-Alder reaction with dienes 2c-g and provides ortho-endo products 3 exclusively or predominant

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