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1569352-53-9

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1569352-53-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1569352-53-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,9,3,5 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1569352-53:
(9*1)+(8*5)+(7*6)+(6*9)+(5*3)+(4*5)+(3*2)+(2*5)+(1*3)=199
199 % 10 = 9
So 1569352-53-9 is a valid CAS Registry Number.

1569352-53-9Downstream Products

1569352-53-9Relevant academic research and scientific papers

A facile synthesis of 2-oxo-cyclopentenylphosphonates by carbonylation of zirconacyclopentenylphosphonate with oxalyl chloride

Al Quntar, Abed Al Aziz

, p. 1628 - 1630 (2014/03/21)

Addition of oxalyl chloride to zirconacycles prepared from 1-alkynylphosphonates 1 zirconocene dichloride, and two equivalents of EtMgBr smoothly produced novel 2-oxo-cyclopentenylphosphonates 6 in 58-81% isolated yields in the presence of a copper catalyst.

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