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132140-40-0

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132140-40-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132140-40-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,1,4 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 132140-40:
(8*1)+(7*3)+(6*2)+(5*1)+(4*4)+(3*0)+(2*4)+(1*0)=70
70 % 10 = 0
So 132140-40-0 is a valid CAS Registry Number.

132140-40-0Downstream Products

132140-40-0Relevant articles and documents

Synthesis and reactions of phosphine-methylsulfonyloxyborane complexes

Oshiki, Toshiyuki,Imamoto, Tsuneo

, p. 2846 - 2849 (2007/10/02)

Functionalizations of the boranato group of phosphine-boranes have been investigated. Trimethylphosphine-borane readily reacted with methanesulfonic acid in dichloromethane with evolution of hydrogen. The resulting trimethylphosphine-methylsulfonyloxyborane was subjected to nucleophilic substitution reaction on the boron atom with arenethiols or secondary phosphine-boranes in the presence of NaH. The reactivities of the substitution products obtained were also investigated. A new phosphine-borane having a P-B-P-B-P-BP-B bond linkage was synthesized.

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