222527-63-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222527-63-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,5,2 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 222527-63:
(8*2)+(7*2)+(6*2)+(5*5)+(4*2)+(3*7)+(2*6)+(1*3)=111
111 % 10 = 1
So 222527-63-1 is a valid CAS Registry Number.
222527-63-1Relevant articles and documents
Synthesis of N-substituted azetidin-3-ones
Marchand, Alan P.,Devasagayaraj, Arokiasamy
, p. 885 - 890 (2007/10/03)
Addition of RC(O)Cl (R = OEt, Me, or Ph) across the highly strained N- C(3) σ-bond in 3-bromomethyl-1-azabicyclo[1.1.0]butane (1) afforded the corresponding N-acyl-3-bromomethyl-3-chloroazetidines (2a-2c, respectively). Subsequent zinc promoted eliminativ