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177481-72-0

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177481-72-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 177481-72-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,4,8 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 177481-72:
(8*1)+(7*7)+(6*7)+(5*4)+(4*8)+(3*1)+(2*7)+(1*2)=170
170 % 10 = 0
So 177481-72-0 is a valid CAS Registry Number.

177481-72-0Relevant articles and documents

Synthesis and thermal decomposition of derivatives of acyloxytetraphenylantimony

Sharutina,Sharutin,Senchurin,Fukin,Zakharov,Yanovsky,Struchkov

, p. 186 - 190 (2007/10/03)

Acyloxy derivatives of tetraphenylantimony of the general formula Ph4SbOC(O)R (R = Alk or Ar) have been synthesized by the reaction of pentaphenylantimony with carboxylic acids. Thermolysis of the compounds obtained affords phenyl carboxylates and triphenylstibine in quantitative yields. One of these compounds (R = CH=CHPh) has been studied by X-ray structural analysis. In this compound, the Sb atom has a trigonal-bipyramidal coordination. The Sb-O(Ph)eq distances are in the range 2.103(4)-2.140(5) A; the Sb-C(Ph)ax bond length is 2.167(5) A. The fragment of the residue of cinnamic acid has a delocalized double bond in the carboxylate group.

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