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1220307-57-2

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1220307-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1220307-57-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,0,3,0 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1220307-57:
(9*1)+(8*2)+(7*2)+(6*0)+(5*3)+(4*0)+(3*7)+(2*5)+(1*7)=92
92 % 10 = 2
So 1220307-57-2 is a valid CAS Registry Number.

1220307-57-2Downstream Products

1220307-57-2Relevant articles and documents

A facile one-pot transformation of baylis-hillman adducts into unsymmetrical disubstituted maleimide and maleic anhydride frameworks: A facile synthesis of himanimide A

Basavaiah, Deevi,Devendar, Badugu,Aravindu, Kunche,Veerendhar, Ainelly

supporting information; experimental part, p. 2031 - 2035 (2010/07/05)

Unsymmetrical, disubstituted maleimide and maleic anhydride frameworks have been accessed from Baylis-Hillman adducts in an operationally simple three-step (FriedelCrafts reaction, selective hydrolysis and cyclization), one-pot strategy. This strategy has been successfully extended to the synthesis of a representative bioactive compound, himanimide A (see scheme). (Chemical Equation Representation).

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