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154520-28-2

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154520-28-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154520-28-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,5,2 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 154520-28:
(8*1)+(7*5)+(6*4)+(5*5)+(4*2)+(3*0)+(2*2)+(1*8)=112
112 % 10 = 2
So 154520-28-2 is a valid CAS Registry Number.

154520-28-2Downstream Products

154520-28-2Relevant articles and documents

Asymmetric Synthesis of β-Lactams. Highly Diastereoselective Alkylation of Chiral 2-Cyano Esters

Cativiela, Carlos,Diaz-de-Villegas, Maria D.,Galvez, Jose A.

, p. 2497 - 2505 (2007/10/02)

Enolates derived from 10-(dicyclohexylsulfamoyl)isobornyl 2-substituted-2-cyanoacetates were alkylated with very good yield and high diastereoselectivity.The reduction of the resulting reaction products and subsequent cyclization of the β-amino acids led

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