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14003-57-7

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14003-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 14003-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,0,0 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 14003-57:
(7*1)+(6*4)+(5*0)+(4*0)+(3*3)+(2*5)+(1*7)=57
57 % 10 = 7
So 14003-57-7 is a valid CAS Registry Number.

14003-57-7Relevant articles and documents

1,2,3,3,3-PENTAFLUOROPROPENE PRODUCTION PROCESSES

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Page/Page column 15, (2008/06/13)

A process is disclosed for making CF3CF=CHF. The process involves reacting CF3CCIFCCI2F with H2 in a reaction zone in the presence of a catalyst to produce a product mixture comprising CF3CF=CHF. The catalyst has a catalytically effective amount of palladium supported on a support selected from the group consisting of alumina, fluorided alumina, aluminum fluoride and mixtures thereof and the mole ratio of H2 to CF3CCIFCCI2F fed to the reaction zone is between about 1 :1 and about 5:1.. Also disclosed are azeotropic compositions of CF3CCIFCCI2F and HF and azeotropic composition of CF3CHFCH2F and HF.

HALOGEN EXCHANGE EQUILIBRIA OF CHLOROFLUOROOLEFINS

Coulson, D. Robert

, p. 77 - 87 (2007/10/02)

The thermochemical properties of the following reactions were determined using either AlF3 or Cr2O3 as catalysts: (1) (2) (3) In addition, the cis-trans equilibria of both CF3CF=CFCl and CF3CCl=CFCl were able to be derived from the reaction data.The experimental thermochemical properties for reactions (1), (2) and (3) were compared with property values calculated using a well-known approximation method.A study of the exchange equilibria of chlorofluoroethylenes failed to yield accurate thermochemical values due to significant side reactions.However, a brief study of the mechanism of a catalytic disproportionation of CF2=CFCl: was carried out.

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