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462100-53-4

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462100-53-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 462100-53-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,6,2,1,0 and 0 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 462100-53:
(8*4)+(7*6)+(6*2)+(5*1)+(4*0)+(3*0)+(2*5)+(1*3)=104
104 % 10 = 4
So 462100-53-4 is a valid CAS Registry Number.

462100-53-4Relevant articles and documents

Synthesis of chiral pilocarpine analogues via a C-8 ketone intermediate.

Holden, Kenneth G,Mattson, Matthew N,Cha, Kyung Hoi,Rapoport, Henry

, p. 5913 - 5918 (2007/10/03)

The synthesis of a chiral pilocarpine analogue 3 in which the lactone ring is replaced by an oxazolidinone and the bridging methylene group is in the ketone oxidation state has been accomplished. The utility of this compound as a key intermediate for the preparation of more complex structures was demonstrated by its reduction to two alcohol epimers and its reaction with a methylene ylide.

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