189950-68-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189950-68-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,9,5 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 189950-68:
(8*1)+(7*8)+(6*9)+(5*9)+(4*5)+(3*0)+(2*6)+(1*8)=203
203 % 10 = 3
So 189950-68-3 is a valid CAS Registry Number.
189950-68-3Relevant academic research and scientific papers
Convenient synthesis of silyl substituted butadienes; a new route to silicon tethered intramolecular Diels-Alder reaction precursors
Kahle, Klaus,Murphy, Patrick J.,Scott, Jonathan,Tamagni, Roberta
, p. 997 - 999 (2007/10/03)
The preparation of a series of silyl substituted butadienes is reported together with their application in the silicon-tethered intramolecular Diels-Alder reaction (IMDA).
