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Butane, 3-chloro-2,2-difluoro-, also known as 1-chloro-1,1-difluoro-3-methylbutane, is a halogenated hydrocarbon with the chemical formula C4H7ClF2. It is a colorless, volatile liquid with a molecular weight of 136.55 g/mol. Butane, 3-chloro-2,2-difluoro- is a derivative of butane, where one hydrogen atom is replaced by a chlorine atom, and two hydrogen atoms are replaced by fluorine atoms. It is primarily used as a refrigerant, blowing agent, and as a chemical intermediate in the production of various fluorochemicals. Due to its potential environmental impact, it is important to handle and dispose of Butane, 3-chloro-2,2-difluoro- responsibly, following proper safety guidelines and regulations.

421-39-6

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421-39-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 421-39-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,2 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 421-39:
(5*4)+(4*2)+(3*1)+(2*3)+(1*9)=46
46 % 10 = 6
So 421-39-6 is a valid CAS Registry Number.

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