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1189197-20-3

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1189197-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1189197-20-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,1,9 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1189197-20:
(9*1)+(8*1)+(7*8)+(6*9)+(5*1)+(4*9)+(3*7)+(2*2)+(1*0)=193
193 % 10 = 3
So 1189197-20-3 is a valid CAS Registry Number.

1189197-20-3Downstream Products

1189197-20-3Relevant articles and documents

PROCESS FOR PRODUCTION OF ALKOXYCARBONYL COMPOUND

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Page/Page column 5, (2010/12/29)

A method for producing an alkoxycarbonyl compound wherein the method comprises reacting carbon monoxide and an alcohol compound with methylacetylene in the presence of a catalyst containing a Group 10 metal compound, a proton acid and a phosphine compound, the propadiene content of the methylacetylene is 50 ppm or less, the phosphine compound is used at greater than 0.000020 mol with respect to 1 mol of methylacetylene, and the carbon monoxide and the alcohol compound are reacted with 200000 mol or more of methylacetylene with respect to 1 mol of the Group 10 metal compound.

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