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1197985-50-4

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1197985-50-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1197985-50-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,7,9,8 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1197985-50:
(9*1)+(8*1)+(7*9)+(6*7)+(5*9)+(4*8)+(3*5)+(2*5)+(1*0)=224
224 % 10 = 4
So 1197985-50-4 is a valid CAS Registry Number.

1197985-50-4Upstream product

1197985-50-4Downstream Products

1197985-50-4Relevant academic research and scientific papers

HYDROFORMYLATION CATALYSTS

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Page/Page column 8, (2009/12/23)

This invention is directed to a class of compounds that can be both monodentate and bidentate in their association with a transition metal to form a catalyst for reactions such as the hydroformylation of olefins to produce aldehydes. The compounds contain two phosphorus atoms having different steric and/or electronic nature. In hydroformylation catalysts, the compounds advantageously can produce a variable n/iso product mixture of aldehyde products that can be varied by simply changing process variables such as [H2]/[CO] partial pressure gas ratio or temperature/inert gas partial pressure.

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