Cas 503282-70-0,C17H17N3O3S

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Check Digit Verification of cas no

The CAS Registry Mumber 503282-70-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,2,8 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 503282-70:
(8*5)+(7*0)+(6*3)+(5*2)+(4*8)+(3*2)+(2*7)+(1*0)=120
120 % 10 = 0
So 503282-70-0 is a valid CAS Registry Number.

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503282-70-0Relevant academic research and scientific papers

Br?nsted acid/rhodium(II) cooperative catalytic asymmetric three-component aldol-type reaction for the synthesis of 3-amino oxindoles

Ren, Lei,Lian, Xiao-Lei,Gong, Liu-Zhu

, p. 3315 - 3318 (2013)

Cooperation is key! Chiral Br?nsted acid/rhodium(II) cooperative catalysis enabled an enantioselective three-component aldol-type reaction of 3-diazo oxindoles and anilines with glyoxylates to give highly functionalized and structurally diverse 3-amino oxindoles in high stereoselectivity (>20:1 d.r., 99 % ee; see scheme). Copyright

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