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209914-48-7

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209914-48-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 209914-48-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,9,1 and 4 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 209914-48:
(8*2)+(7*0)+(6*9)+(5*9)+(4*1)+(3*4)+(2*4)+(1*8)=147
147 % 10 = 7
So 209914-48-7 is a valid CAS Registry Number.

209914-48-7Downstream Products

209914-48-7Relevant articles and documents

Unsymmetric chiral Salen Schiff bases: A new chiral ligand pool from Bis-Schiff bases containing two different salicylaldehyde units

Lopez, Jose,Liang, Sidney,Bu, Xiu R.

, p. 4199 - 4202 (1998)

An efficient and facile synthesis of a new class of novel chiral Salen Schiff base ligands has been developed via a stepwise approach. An important feature of these new Salen ligands is that they possess two different salicylaldehyde units, therefore, while steric factor or electronic factor can be fixed on one side, electronic or/and steric factors can be tuned from the other side with different substituents.

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