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18246-02-1

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18246-02-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18246-02-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,2,4 and 6 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 18246-02:
(7*1)+(6*8)+(5*2)+(4*4)+(3*6)+(2*0)+(1*2)=101
101 % 10 = 1
So 18246-02-1 is a valid CAS Registry Number.

18246-02-1Relevant articles and documents

Synthesis and polymerization of p-pentamethyldisiloxanyl-α,β,β-trifluorostyrene and the oxygen permeability of the polymer

Aoki, Toshiki,Watanabe, Jun,Ishimoto, Yoshiyuki,Oikawa, Eizo,Hayakawa, Yoshio,Nishida, Masakazu

, p. 285 - 288 (1992)

A novel monomer, p-pentamethyldisiloxanyl-α,β,β-trifluorostyrene, has been synthesized and polymerized to give a white polymer.Membranes obtained from the polymer exhibited an oxygen permeability coefficient (PO2: cc(STP) cm/cm2scmHg) and an oxygen separation factor (α=PO2/PO2) of 1.8 * 10-9 amd 2.4, respectively.The PO2 value is considerably higher than values for other poly(mono-substituted tetrafluoroethylenes).The introduction of a pentamethyldisiloxanylphenyl group into poly(tetrafluoroethylene) has been found to be very effective the enhancement of PO2 values.

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