Cas 163237-32-9,ZnC20N4H9(C6H5)2CCCH(OC2H5)2

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Check Digit Verification of cas no

The CAS Registry Mumber 163237-32-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,2,3 and 7 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 163237-32:
(8*1)+(7*6)+(6*3)+(5*2)+(4*3)+(3*7)+(2*3)+(1*2)=119
119 % 10 = 9
So 163237-32-9 is a valid CAS Registry Number.

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163237-32-9Relevant academic research and scientific papers

Iodination and heck alkynylation of 5,15-diphenylporphyrin. A convenient entry to asymmetrically meso-substituted porphyrins

Boyle,Johnson,Dolphin

, p. 527 - 528 (1995)

Iodination of 5,15-diphenylporphyrin followed by metallation and palladium(0) catalysed coupling with monosubstituted acetylenes gives zinc(II)-10-(2-substituted-alkynyl)-5,15- diphenylporphyrins.

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