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517907-54-9

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517907-54-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 517907-54-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,7,9,0 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 517907-54:
(8*5)+(7*1)+(6*7)+(5*9)+(4*0)+(3*7)+(2*5)+(1*4)=169
169 % 10 = 9
So 517907-54-9 is a valid CAS Registry Number.

517907-54-9Downstream Products

517907-54-9Relevant articles and documents

Chemoenzymatic synthesis of optically active heterocyclic homoallylic and homopropargylic alcohols

Singh, Satwinder,Kumar, Subodh,Chimni, Swapandeep Singh

, p. 2679 - 2687 (2007/10/03)

A chemoenzymatic methodology has been developed using indium-mediated allylation of heterocyclic aldehydes under aqueous conditions followed by Pseudomonas cepacia lipase-catalyzed enantioselective acylation of racemic homoallylic and homopropargylic alcohols in organic media. It is observed that the lipase immobilized on ceramic particles (PS-C Amano II) catalyzes the resolution in a highly enantioselective manner in less time as compared to the native enzyme (PS Amano). The approach provides new functionalized chiral synthons useful in the synthesis of natural and pseudonatural products.

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