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874445-84-8

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874445-84-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 874445-84-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,4,4 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 874445-84:
(8*8)+(7*7)+(6*4)+(5*4)+(4*4)+(3*5)+(2*8)+(1*4)=208
208 % 10 = 8
So 874445-84-8 is a valid CAS Registry Number.

874445-84-8Upstream product

874445-84-8Downstream Products

874445-84-8Relevant articles and documents

Evidence for SO2, C2H4Cl2 and CH2Cl2 soluble salts of bismuth homopolyatomic cations and [Bi4OF2Cl6(C6Me6) 4

Decken, Andreas,Nikiforov, Grigori B.,Passmore, Jack

, p. 2994 - 3003 (2005)

Evidence is presented that the SO2, C2H 4Cl2 and CH2Cl2 soluble salts of composition [Bix][Al(OC(CF3)3) 4]3 (1), x close to 4.33, and [Bi5(C 6Me6)4][Al(OC(CF3)3) 4]3 (2), have been prepared in moderate yields by the metathesis reaction of [Bi5][AsF6]3 and Li[Al(OC(CF3)3)4] in SO2, and in CH2Cl2 in the presence of C6Me6, respectively. The compositions of 1 and 2 are supported by elemental analysis, IR, NMR and EI-MS. The UV-Vis spectra of 1 and 2 in SO2 and C 2H4Cl2 were consistent with the presence of the bismuth cations [Bi5]3+, [Bi8]2+, [Bi]+ and possibly [Bi9]5+. The 1:2 salt [Bi4OF2Cl6(C6Me6) 4][Al(OC(CF3)3)4] 2·C6Me6 (3·C6Me 6) was isolated from a solution of 2, and characterized by preliminary X-ray crystal structure, NMR and IR. Complex 3 contains a discrete oxygen-centered fluorine and chlorine-bridged bismuth cluster [Bi 4OF2Cl6]2+ with each bismuth weakly coordinated to hexamethylbenzene.

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