Cas 180128-65-8,(4R,5R)-4-Methyl-3-methylene-5-phenyl-1-(1-phenyl-vinyl)-pyrrolidin-2-one

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Check Digit Verification of cas no

The CAS Registry Mumber 180128-65-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,1,2 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 180128-65:
(8*1)+(7*8)+(6*0)+(5*1)+(4*2)+(3*8)+(2*6)+(1*5)=118
118 % 10 = 8
So 180128-65-8 is a valid CAS Registry Number.

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180128-65-8Relevant academic research and scientific papers

Stereocontrolled synthesis of chiral secondary (α-methylene-β-substituted)-γ-lactams by addition of β-functional crotylzinc reagents to chiral imines

Nyzam, Valerie,Belaud, Chantal,Zammattio, Francoise,Villieras, Jean

, p. 1835 - 1843 (2007/10/03)

Stereocontrolled addition of functionalised crotylzinc reagents to chiral imines derived either from N-α-aminoesters or N-β-aminoalcohols furnished secondary α-methylene-β-substituted-γ-lactams in excellent diastereoisomeric excess (de ≈ 92-100%). Copyrig

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