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1569263-72-4

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1569263-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1569263-72-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,9,2,6 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1569263-72:
(9*1)+(8*5)+(7*6)+(6*9)+(5*2)+(4*6)+(3*3)+(2*7)+(1*2)=204
204 % 10 = 4
So 1569263-72-4 is a valid CAS Registry Number.

1569263-72-4Upstream product

1569263-72-4Relevant academic research and scientific papers

Ring-opening with one dioxygen molecule in the coupled oxidation of iron tetraarylporphyrins

Sandell, Jonas P.L.,Kakeya, Kazuhisa,Mizutani, Tadashi

, p. 1532 - 1535 (2014)

A dioxygen molecule was activated on the iron complex of tetraarylporphyrins and both oxygen atoms of the O2 molecule were added to cleave the macrocycle to yield a linear tetrapyrrole intermediate, from which two linear tetrapyrrole products, biladienone and bilindione, are formed, as revealed by isotope labeling experiments with oxygen-18.

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