Cas 1207251-41-9,C21H28NO5PS

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Check Digit Verification of cas no

The CAS Registry Mumber 1207251-41-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,7,2,5 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1207251-41:
(9*1)+(8*2)+(7*0)+(6*7)+(5*2)+(4*5)+(3*1)+(2*4)+(1*1)=109
109 % 10 = 9
So 1207251-41-9 is a valid CAS Registry Number.

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1207251-41-9Relevant academic research and scientific papers

Synthesis of new β- and γ-aminopyrrolidinephosphonates via 1,3-dipolar cycloaddition of substituted vinylphosphonates

Rabasso, Nicolas,Fadel, Antoine

scheme or table, p. 60 - 63 (2010/03/01)

Synthesis of α- and β-(aminomethyl)vinylphosphonates was achieved from vinyl bromide via a cross-coupling reaction with triethyl phosphite and by cross-metathesis of allyl bromide and vinylphosphonate, respectively. The 1,3-dipolar cycloaddition of these

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