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21223-06-3

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21223-06-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21223-06-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,2,2 and 3 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21223-06:
(7*2)+(6*1)+(5*2)+(4*2)+(3*3)+(2*0)+(1*6)=53
53 % 10 = 3
So 21223-06-3 is a valid CAS Registry Number.

21223-06-3Downstream Products

21223-06-3Relevant articles and documents

PREPARATION OF SELECTED FLUOROOLEFINS

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Page 5, (2008/06/13)

A process is disclosed for producing (CF3)2C=CH2, CF3CH=CF2, CF2=C(CF3)OCF2CHF2 and C6H5C(CF3)=CF2. The process involves contacting the corresponding fluorocarbon starting material selected from (CF3)2CFCH2F, (CF3)2CHF, (CF3)2CFOCF2CHF2 and C6H5CF(CF3)2, in the vapor phase, with a defluorination reagent selected from carbon, copper, iron, nickel and zinc at an elevated temperature of at least 300 DEG C.

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