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Trimethylen-bis-, also known as bis(methylphenyl)phosphinous methane or (methylphenyl)phosphinous methane, is an organophosphorus compound with the chemical formula C15H17P. It is a colorless to pale yellow liquid that is soluble in organic solvents. Trimethylen-bis- is primarily used as a ligand in homogeneous catalysis, particularly in the field of transition metal chemistry, where it can form stable complexes with various metal ions. It is also employed in the synthesis of other organophosphorus compounds and as a reagent in organic synthesis. Due to its potential toxicity and reactivity, it is important to handle this chemical with care, following appropriate safety protocols.

98170-68-4

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98170-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98170-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,7 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 98170-68:
(7*9)+(6*8)+(5*1)+(4*7)+(3*0)+(2*6)+(1*8)=164
164 % 10 = 4
So 98170-68-4 is a valid CAS Registry Number.

98170-68-4Relevant academic research and scientific papers

Ultrasound in Phosphine Preparation. Simple Preparations of Some Bis(alkylphenylphosphino)alkanes

Chou, Ta-shue,Tsao, Chung-Huang,Hung, Su Chun

, p. 4329 - 4332 (2007/10/02)

Diphosphines of the class RPhP(CH2)nPPhR (n=2-6) have been prepared from reactions of the corresponding Ph2P(CH2)nPPh2 with alkali metall followed by alkylation.Ultrasound irradiation should be applied in the reductive cleavage stage so as to assure the purity of the final products.

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