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442201-99-2

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442201-99-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 442201-99-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,2,0 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 442201-99:
(8*4)+(7*4)+(6*2)+(5*2)+(4*0)+(3*1)+(2*9)+(1*9)=112
112 % 10 = 2
So 442201-99-2 is a valid CAS Registry Number.

442201-99-2Downstream Products

442201-99-2Relevant articles and documents

Method for using a carbamoyl fluoride as fluorinating agent

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Page 6, (2008/06/13)

The invention concerns a method for using a carbamoyl fluoride as fluorinating agent. Said method consists in treating a derivative bearing a halogen-containing carbon, with a carbamoyl fluoride at a temperature not less than 70° C. and in maintaining the ratio between the sum of hydrofluoric acid (HF) and carbamoyl fluoride as well as between the sum of exchangeable halogen atoms, isocyanate functions and carbamoyl fluoride [(HF+carbamoyl fluoride)/(exchangeable halogen+isocyanate+carbamoyl fluoride)] at a value not more than 1.2; then in carrying out a catalysis process with tin, antimony and/or titanium salt. The invention is applicable to synthesis of fluorinated derivatives.

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