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219647-33-3

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219647-33-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219647-33-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,4 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 219647-33:
(8*2)+(7*1)+(6*9)+(5*6)+(4*4)+(3*7)+(2*3)+(1*3)=153
153 % 10 = 3
So 219647-33-3 is a valid CAS Registry Number.

219647-33-3Downstream Products

219647-33-3Relevant articles and documents

Macrocyclic polyamine lactam synthesis by diphenyl ether closure of 23-, 24- And 28-membered rings

Carrington, Simon,Fairlamb, Alan H.,Blagbrough, Lan S.

, p. 2335 - 2336 (2007/10/03)

Novel 23-, 24- and 28-membered cyclic polyamine amides (cinnamamides) have been prepared by closure of diphenyl ethers; functionalized conjugates of spermidine and spermine underwent intramolecular aromatic nucleophilic substitution to afford nitro-substituted analogues of cadabicine class (24-membered polyamine lactam) alkaloids.

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