227804-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227804-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,8,0 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 227804-45:
(8*2)+(7*2)+(6*7)+(5*8)+(4*0)+(3*4)+(2*4)+(1*5)=137
137 % 10 = 7
So 227804-45-7 is a valid CAS Registry Number.
227804-45-7Relevant articles and documents
Synthesis of Z-α,β-ethylenic N-boc-γ-amino esters from nitrones
Dagoneau, Christelle,Denis, Jean-No?l,Vallée, Yannick
, p. 602 - 604 (2007/10/03)
The reduction of γ-N-hydroxylamino-α,β-acetylenic esters bearing a methoxy-substituted benzyl group on the nitrogen atom by zinc in a MeOH/AcOH mixture leads stereoselectively to Z-γ-amino-α,β-ethylenic esters.
