Cas 50991-20-3,C17H21N2O2P

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Check Digit Verification of cas no

The CAS Registry Mumber 50991-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,9,9 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 50991-20:
(7*5)+(6*0)+(5*9)+(4*9)+(3*1)+(2*2)+(1*0)=123
123 % 10 = 3
So 50991-20-3 is a valid CAS Registry Number.

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50991-20-3Relevant academic research and scientific papers

APPROCHE CINETIQUE DU MECHANISME D'ISOMERISATION DE SPIROPHOSPHORANES OPTIQUEMENT ACTIFS

Klaebe, A.,Brazier, J. F.,Cachapuz Carrelhas, A.,Garrigues, B.,Marre, M. R.,Contreas, R.

, p. 2111 - 2122 (2007/10/02)

The polarimetric kinetic study, of the epimerisation of optically pure spirophosphoranes derived from α-aminoalcohols or α-aminoacids, leads to mechanistic conclusions.Evidence from isotopic, solvent and concentration effects and values of the activation

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