210294-87-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 210294-87-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,2,9 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 210294-87:
(8*2)+(7*1)+(6*0)+(5*2)+(4*9)+(3*4)+(2*8)+(1*7)=104
104 % 10 = 4
So 210294-87-4 is a valid CAS Registry Number.
210294-87-4Relevant articles and documents
Asymmetric synthesis of 1,3-aminoketals
Bariau, Annabelle,Canet, Jean-Louis,Chalard, Pierre,Troin, Yves
, p. 3650 - 3660 (2007/10/03)
The asymmetric synthesis of α-chiral 1,3-aminoketals 1, useful chiral building blocks for piperidine preparation, was achieved in seven steps involving highly diastereoselective 1,4-addition of Davies' lithium amide to an α,β-unsaturated ester. Problems o