Cas 114221-20-4,<i>cis</i>-3,4-diphenyl-pyrrolidine-2,5-dione

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Check Digit Verification of cas no

The CAS Registry Mumber 114221-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,4,2,2 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 114221-20:
(8*1)+(7*1)+(6*4)+(5*2)+(4*2)+(3*1)+(2*2)+(1*0)=64
64 % 10 = 4
So 114221-20-4 is a valid CAS Registry Number.

114221-20-4Upstream product

114221-20-4Downstream Products

4808-48-4 2,3-diphenylmaleic anhydride

114221-20-4Relevant articles and documents

Asymmetric transformation by dynamic crystallization of achiral succinimides

Hachiya, Shoko,Kasashima, Yoshio,Yagishita, Fumitoshi,Mino, Takashi,Masu, Hyuma,Sakamoto, Masami

supporting information, p. 4776 - 4778 (2013/06/05)

Optically active materials could be generated by simple solidification of achiral materials without an external chiral source. When achiral cis-3,4-diphenylsuccinimides were solidified in the presence of a catalytic amount of DBU by evaporating the solvent with stirring, optically active trans-3,4-diphenylsuccinimides were obtained quantitatively with high enantiomeric excesses.

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CAS

114221-20-4