4071-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4071-90-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,7 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4071-90:
(6*4)+(5*0)+(4*7)+(3*1)+(2*9)+(1*0)=73
73 % 10 = 3
So 4071-90-3 is a valid CAS Registry Number.
4071-90-3Relevant articles and documents
Migration of trimethylsilyl groups in enolates of silyl esters
Hudrlik, Paul F.,Roberts, Ralph R.,Ma, Da,Hudrlik, Anne M.
, p. 4029 - 4032 (1997)
The lithium enolate of trimethylsilyl acetate (1) undergoes a 1,3-0 → C migration of the trimethylsilyl group.