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294853-97-7

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294853-97-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 294853-97-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,4,8,5 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 294853-97:
(8*2)+(7*9)+(6*4)+(5*8)+(4*5)+(3*3)+(2*9)+(1*7)=197
197 % 10 = 7
So 294853-97-7 is a valid CAS Registry Number.

294853-97-7Relevant articles and documents

Enhancing the Gas Permeability of Tr?ger's Base Derived Polyimides of Intrinsic Microporosity

Lee, Michael,Bezzu, C. Grazia,Carta, Mariolino,Bernardo, Paola,Clarizia, Gabriele,Jansen, Johannes C.,McKeown, Neil B.

, p. 4147 - 4154 (2016)

A series of four novel Tr?ger's base (TB) derived polyimides of intrinsic microporosity (PIM-TB-PI) is reported. The TB diamine monomer (4MTBDA) possesses four methyl groups in order to restrict rotation about the C-N imide bonds in the resulting polymers

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