Cas 2252-80-4,2-bromo-1,1,1,2,3,3-hexafluoro-propane

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Check Digit Verification of cas no

The CAS Registry Mumber 2252-80-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,5 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2252-80:
(6*2)+(5*2)+(4*5)+(3*2)+(2*8)+(1*0)=64
64 % 10 = 4
So 2252-80-4 is a valid CAS Registry Number.

2252-80-4Upstream product

661-95-0 1,2-dibromohexafluoropropane

2252-80-4Downstream Products

2252-80-4Relevant articles and documents

Reductive dehalogenation of polyhalofluorocarbons with tributyltin hydride

Puy, Michael Van Der,Belter, Randolph K.,Borowski, Ralph J.,Ellis, Lois A. S.,Persichini, Phillip J.,et al.

, p. 59 - 64 (1995)

The reduction of polyhalofluorocarbons, including ClCF2CFClCF2Cl, (ClCF2CFCl)2, ICH2(CF2)3CH2I and vicinal dichloroperfluorocycloalkanes, with tributyltin hydride gave the corresponding hydrofluorocarbons in good to excellent yield.The results are compared with similar reductions with other reducing agents, and to tin hydride reductions of non-fluorinated analogs. - Keywords: Reductive dehalogenation; Polyfluorocarbons; Tributyltin hydride; NMR spectroscopy; Hydrofluorocarbons

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2252-80-4