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947414-88-2

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947414-88-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 947414-88-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,7,4,1 and 4 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 947414-88:
(8*9)+(7*4)+(6*7)+(5*4)+(4*1)+(3*4)+(2*8)+(1*8)=202
202 % 10 = 2
So 947414-88-2 is a valid CAS Registry Number.

947414-88-2Relevant articles and documents

Aromatic and nonaromatic pyriporphyrins

Lash, Timothy D.,Pokharel, Komal,Serling, Jill M.,Yant, Valerie R.,Ferrence, Gregory M.

, p. 2863 - 2866 (2008/02/07)

Pyriporphyrins with three different orientations for the pyridine moiety have been prepared using a '3 + 1' strategy. The nonaromatic pyriporphyrins are stable so long as phenyl substituents are present at the meso-positions adjacent to the pyridine ring. An aromatic dihydropyriporphyrin with an external CO 2Ph protective group has also been prepared from 2,4- pyridinedicarbaldehyde.

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