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1440528-41-5

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1440528-41-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1440528-41-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,0,5,2 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1440528-41:
(9*1)+(8*4)+(7*4)+(6*0)+(5*5)+(4*2)+(3*8)+(2*4)+(1*1)=135
135 % 10 = 5
So 1440528-41-5 is a valid CAS Registry Number.

1440528-41-5Upstream product

1440528-41-5Downstream Products

1440528-41-5Relevant articles and documents

Dimeric TADDOL Phosphoramidites in Asymmetric Catalysis: Domino Deracemization and Cyclopropanation of Sulfonium Ylides

Klimczyk, Sebastian,Misale, Antonio,Huang, Xueliang,Maulide, Nuno

supporting information, p. 10365 - 10369 (2015/09/01)

A gold-catalyzed asymmetric cyclopropanation of unactivated olefins with sulfonium ylides in the presence of a bimetallic catalyst with a novel dimeric TADDOL-phosphoramidite ligand is reported. This transformation allows a rare gold-catalyzed dynamic deracemization of chiral racemic substrates, where the same catalyst is responsible for several synergistic tasks in solution. The products are useful building blocks in synthesis and enable expeditious access to natural products.

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