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128823-44-9

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128823-44-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128823-44-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,2 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128823-44:
(8*1)+(7*2)+(6*8)+(5*8)+(4*2)+(3*3)+(2*4)+(1*4)=139
139 % 10 = 9
So 128823-44-9 is a valid CAS Registry Number.

128823-44-9Downstream Products

128823-44-9Relevant articles and documents

Process for producing fluorinated isocyanates and carbamates

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Page/Page column 13, (2009/04/23)

The invention relates to a process for producing fluorinated carbamates comprising the reaction between an amine or polyamine and a fluorinated carbonate, in the presence of a catalyst which does not contain metals and comprises at least one tertiary amine group. The process can also comprise an additional step in which the carbamates are transformed into the corresponding isocyanates.

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