Cas 1241783-41-4,C21H20N2O6

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Check Digit Verification of cas no

The CAS Registry Mumber 1241783-41-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,1,7,8 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1241783-41:
(9*1)+(8*2)+(7*4)+(6*1)+(5*7)+(4*8)+(3*3)+(2*4)+(1*1)=144
144 % 10 = 4
So 1241783-41-4 is a valid CAS Registry Number.

1241783-41-4Upstream product

1241783-39-0 C₂₁H₂₂N₂O₆

1241783-41-4Downstream Products

1241783-43-6 C₂₅H₂₆N₂O₆

1241783-41-4Relevant academic research and scientific papers

Divergent reactivity of 2-azetidinone-tethered allenols with electrophilic reagents: Controlled ring expansion versus spirocyclization

Alcaide, Benito,Almendros, Pedro,Luna, Amparo,Torres, M. Rosario

, p. 621 - 626 (2010)

A dual reactivity of 2-azetidinone-tethered allenols may occur by judicious choice of the electrophilic reagents, namely halogenating versus selenating reagents. Using common substrates, structurally different compounds, namely tetramic acids (from N-bromosuccinimide) or spirocyclic seleno-ss-lactams (from N-phenylselenophthalimide), can be readily synthesized by these divergent protocols.

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