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137564-91-1

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137564-91-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137564-91-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,6 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 137564-91:
(8*1)+(7*3)+(6*7)+(5*5)+(4*6)+(3*4)+(2*9)+(1*1)=151
151 % 10 = 1
So 137564-91-1 is a valid CAS Registry Number.

137564-91-1Relevant academic research and scientific papers

P-N/P-P bond metathesis for the synthesis of complex polyphosphanes

Feldmann, Kai-Oliver,Weigand, Jan J.

, p. 15443 - 15456 (2012/11/13)

A unique hexaphosphane featuring a 2,2′-bi(1,2,3- triphosphacyclopentane) moiety (19) and an ethylene-bridged bis- isotetraphosphane (27c,m) were both selectively prepared in efficient one-pot syntheses from easily accessible tris(3,5-dimethyl-

Access to catenated and branched polyphosphorus ligands and coordination complexes via a tri(pyrazolyl)phosphane

Feldmann, Kai-Oliver,Froehlich, Roland,Weigand, Jan J.

supporting information; experimental part, p. 4296 - 4298 (2012/05/19)

We report a convenient and smooth protocol for the high-yielding synthesis of a triphosphane and an iso-tetraphosphane from a readily accessible tri(pyrazolyl)phosphane. The products are obtained from a one-pot reaction at room temperature and form comple

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