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2,5',6-trimethyl-4,8-diphosphathiophenetriptycene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

153949-95-2

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153949-95-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 153949-95-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,9,4 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 153949-95:
(8*1)+(7*5)+(6*3)+(5*9)+(4*4)+(3*9)+(2*9)+(1*5)=172
172 % 10 = 2
So 153949-95-2 is a valid CAS Registry Number.

153949-95-2Upstream product

153949-95-2Downstream Products

153949-95-2Relevant academic research and scientific papers

4,8-Diphosphathiophenetriptycenes

Ishii, Akihiko,Yoshioka, Rie,Nakayama, Juzo,Hoshino, Masamatsu

, p. 8259 - 8262 (2007/10/02)

Unsubstituted and trimethyl-4,8-diphosphathiophenetriptycenes (4 and 3d) were synthesized by reduction of the corresponding phosphine oxides (8a and 8b) with trichlorosilane which were prepared by the reaction of trilithium salts, derived from tri-3-thienylphosphine oxides (7a and 7b), with P(OPh)3. The reaction of 3d with W(CO)5(THF) gave a 1:2 complex 12 in high yield.

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