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171977-33-6

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171977-33-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 171977-33-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,9,7 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 171977-33:
(8*1)+(7*7)+(6*1)+(5*9)+(4*7)+(3*7)+(2*3)+(1*3)=166
166 % 10 = 6
So 171977-33-6 is a valid CAS Registry Number.

171977-33-6Downstream Products

171977-33-6Relevant articles and documents

Synthesis, structure, and thermal destruction of aroxytetraphenylstiboranes

Sharutin, V. V.,Zhidkov, V. V.,Muslin, D. V.,Liapina, N. Sh.,Fukin, G. K.,et al.

, p. 931 - 936 (2007/10/02)

A series of aroxytetraphenylstiboranes, Ph4SbOAr, were obtained by the reaction of pentaphenylstiborane with phenols at ca.20 deg C.The thermolysis of these compounds gives O- or o-C-phenylation products.The thermolysis of stiboranes, which incorporate aryl groups containing electron-withdrawing substituents (Ar = 2,4-Br2, 2,4-Cl2, 2-NO2, 4-OPh) produces predominantly simple diaryl ethers of asymmetric structure in 58percent, 90percent, 32percent, and 60percent yields, respectively.

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