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1229446-08-5

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1229446-08-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1229446-08-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,9,4,4 and 6 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1229446-08:
(9*1)+(8*2)+(7*2)+(6*9)+(5*4)+(4*4)+(3*6)+(2*0)+(1*8)=155
155 % 10 = 5
So 1229446-08-5 is a valid CAS Registry Number.

1229446-08-5Relevant articles and documents

Synthesis of a new pyridine-containing diamine and related polyimide

Zhao, Jiu Jiang,Gong, Chen Liang,Zhang, Shu Jiang,Shao, Yu,Li, Yan Feng

scheme or table, p. 277 - 278 (2010/11/19)

A new kind of aromatic diamine monomer containing pyridine unit, 2,6-bis[4-(4-aminophenoxy)phenoxy]pyridine (BAPP), was synthesized in three steps, using hydroquinone as starting material. A novel pyridine-containing polyimide was prepared from the resulting diamine BAPP with 4,4′-oxydiphthalic anhydride (ODPA) via a conventional two-step thermal imidization method. The resulting polyimide exhibits excellent solubility, film-forming capability and high thermal resistance.

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