Cas 99493-75-1,C23H33NO2S

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Check Digit Verification of cas no

The CAS Registry Mumber 99493-75-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,4,9 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99493-75:
(7*9)+(6*9)+(5*4)+(4*9)+(3*3)+(2*7)+(1*5)=201
201 % 10 = 1
So 99493-75-1 is a valid CAS Registry Number.

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99493-75-1Relevant academic research and scientific papers

Asymmetric Conjugate Addition of Organometallic Reagents to Chiral Vinyl Sulfoximines

Pyne, Stephen G.

, p. 81 - 87 (2007/10/02)

The chiral vinyl sulfoximines 1 and 2 (R' = C6H5, CH3, n-Bu, C6H5CH2CH2) have been prepared; they undergo conjugate addition reactions with organometallic reagents with high asymmetric induction.These conjugate addition adducts have been converted to chiral 3-alkylalkanoic acids in high enantiomeric excess (>90percent)

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