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173025-57-5

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173025-57-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 173025-57-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,0,2 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 173025-57:
(8*1)+(7*7)+(6*3)+(5*0)+(4*2)+(3*5)+(2*5)+(1*7)=115
115 % 10 = 5
So 173025-57-5 is a valid CAS Registry Number.

173025-57-5Downstream Products

173025-57-5Relevant articles and documents

Diaminobenzene derivatives and polyimides prepared therefrom

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, (2008/06/13)

A diaminobenzene derivative of the formula (I): STR1 wherein each of P and Q which may be the same or different from each other, is a single bond, or a bivalent organic group selected from the group consisting of --O--, --COO-- and --CONH--, R1 is a C2-22 straight chain alkylene group, and R2 is a cyclic group selected from the group consisting of an aromatic ring, an aliphatic ring, a heterocyclic ring and substituted forms of such rings.

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