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1638134-00-5

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1638134-00-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1638134-00-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,8,1,3 and 4 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1638134-00:
(9*1)+(8*6)+(7*3)+(6*8)+(5*1)+(4*3)+(3*4)+(2*0)+(1*0)=155
155 % 10 = 5
So 1638134-00-5 is a valid CAS Registry Number.

1638134-00-5Downstream Products

1638134-00-5Relevant articles and documents

N-alkylations of NH-sulfoximines and NH-sulfondiimines with alkyl halides mediated by potassium hydroxide in dimethyl sulfoxide

Hendriks, Christine M. M.,Bohmann, Rebekka A.,Bohlem, Marina,Bolm, Carsten

supporting information, p. 1847 - 1852 (2014/06/09)

A general method for the N-alkylation of NH-sulfoximines and NH-sulfondiimines has been developed, employing alkyl bromides with KOH in DMSO at room temperature. A variety of previously inaccessible N-alkylated sulfoximines and sulfondiimines was prepared in good to excellent yields (up to 97%). As an application, the conditions were used to access the biologically active Suloxifen.

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