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121123-20-4

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121123-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121123-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,1,2 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 121123-20:
(8*1)+(7*2)+(6*1)+(5*1)+(4*2)+(3*3)+(2*2)+(1*0)=54
54 % 10 = 4
So 121123-20-4 is a valid CAS Registry Number.

121123-20-4Relevant articles and documents

Optical Resolution of Sulfoximines by Complex Formation with Optically Active 2,2'-Dihydroxy-1,1'-binaphthyl or 1,6-Di(o-chlorophenyl)-1,6-diphenylhexa-2,4-diyne-1,6-diol

Mori, Koji,Toda, Fumio

, p. 1997 - 2000 (2007/10/02)

Some alkyl aryl and dialkyl sulfoximines were resolved efficiently by complex formation with optically active 2,2'-dihydroxy-1,1'-binaphthyl and 1,6-di(o-chlorophenyl)-1,6-diphenylhexa-2,4-diyne-1,6-diol, respectively.

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