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905279-52-9

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905279-52-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 905279-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,5,2,7 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 905279-52:
(8*9)+(7*0)+(6*5)+(5*2)+(4*7)+(3*9)+(2*5)+(1*2)=179
179 % 10 = 9
So 905279-52-9 is a valid CAS Registry Number.

905279-52-9Downstream Products

905279-52-9Relevant articles and documents

Sulfonated poly(arylene-co-naphthalimide)s synthesized by copolymerization of primarily sulfonated monomer and fluorinated naphthalimide bichlorides as novel polymers for proton exchange membranes

Qiu, Zhiming,Wu, Shuqing,Li, Zhiying,Zhang, Suobo,Xing, Wei,Liu, Changpeng

, p. 6425 - 6432 (2007/10/03)

A novel sulfonated aromatic dichloride monomer was successfully prepared by the reaction of 2, 5-dichlorobenzophenone with fuming sulfuric acid. Copolymerization of this monomer in the form of sodium salt (1) with N-(4-chloro-2-trifluoromethylphenyl)-5-ch

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