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1404070-52-5

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1404070-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1404070-52-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,4,0,7 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1404070-52:
(9*1)+(8*4)+(7*0)+(6*4)+(5*0)+(4*7)+(3*0)+(2*5)+(1*2)=105
105 % 10 = 5
So 1404070-52-5 is a valid CAS Registry Number.

1404070-52-5Downstream Products

1404070-52-5Relevant articles and documents

Synthesis of coumarins via Pd-catalyzed oxidative cyclocarbonylation of 2-vinylphenols

Ferguson, Jamie,Zeng, Fanlong,Alper, Howard

, p. 5602 - 5605,4 (2012/12/12)

Palladium-catalyzed oxidative cyclocarbonylation of 2-vinylphenols constitutes a simple, direct method for the synthesis of coumarins. The reaction conditions, employing low pressures of CO, and air or 1,4- benzoquinone as the oxidant, are attractive in terms of environmental considerations and operational simplicity. Coumarins with a variety of functional groups were prepared in yields up to 85%.

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