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131558-97-9

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131558-97-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131558-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,5 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 131558-97:
(8*1)+(7*3)+(6*1)+(5*5)+(4*5)+(3*8)+(2*9)+(1*7)=129
129 % 10 = 9
So 131558-97-9 is a valid CAS Registry Number.

131558-97-9Downstream Products

131558-97-9Relevant academic research and scientific papers

Diastereoselective additions of lithiated N-terfbutyldiphenylsilyl-S-methyl-S-phenylsulfoximine to imines and aldehydes

Pyne, Stephen G.,Dikic, Branko

, p. 5231 - 5234 (2007/10/02)

Lithiated N-tert-butyldiphenylsilyl-S-methyl-S-phenylsulfoximine undergoes 1,2 addition to imines (R1CH=NPh) and aldehydes (RCHO) to give diastereomeric adducts. The diastereoselection of the former reactions is dependent on the steric demand of the imine substituent R1, while that of the latter is independent of the steric demand of the aldehyde substituent R.

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