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1253579-14-4

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1253579-14-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1253579-14-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,5,7 and 9 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1253579-14:
(9*1)+(8*2)+(7*5)+(6*3)+(5*5)+(4*7)+(3*9)+(2*1)+(1*4)=164
164 % 10 = 4
So 1253579-14-4 is a valid CAS Registry Number.

1253579-14-4Downstream Products

1253579-14-4Relevant articles and documents

Towards the synthesis of substituted porphyrins by a pyridyl group bearing a reactive functionality

Ojaimi, Maya El,Habermeyer, Benoit,Gros, Claude P.,Barbe, Jean-Michel

, p. 469 - 480 (2011/03/20)

Pyridyl-substituted porphyrins bearing a reactive functionality were prepared via Suzuki cross-coupling reactions and resulted in very good yields. These compounds are precursors of new porphyrin architectures able to coordinate two metals: one in the porphyrin core and the second around the pyridyl moiety. During the coupling reactions, a higher reactivity of a chloro picolyl group was evidenced compared to a bromo function on the same reacting molecule.

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