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1542227-80-4

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1542227-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1542227-80-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,4,2,2,2 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1542227-80:
(9*1)+(8*5)+(7*4)+(6*2)+(5*2)+(4*2)+(3*7)+(2*8)+(1*0)=144
144 % 10 = 4
So 1542227-80-4 is a valid CAS Registry Number.

1542227-80-4Downstream Products

1542227-80-4Relevant articles and documents

Diastereoselective synthesis of rotationally restricted chiral phenylpyridines via intramolecular cascade cyclization of n-acyliminium ions containing α-amino acid residues

Li, Jin-Ling,Zhao, Hong-Wu,Qin, Xiao,Cui, Jin,Su, Shi,Li, Hai-Long,Yue, Yuan-Yuan,Song, Xiu-Qing

, p. 3175 - 3180 (2014/01/06)

A series of chiral phenylpyridines possessing a fused chiral bridge were synthesized diastereoselectively via cascade cyclizations, where N-acyliminium ions including an enantiopure α-amino acid residue were involved. The absolute configuration of the synthesized phenylpyridines was identified unambiguously by using nuclear Overhauser effect difference and circular dichroism (CD) measurements on the basis of literature methods. Taylor & Francis Group, LLC.

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