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25790-40-3

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25790-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25790-40-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,7,9 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 25790-40:
(7*2)+(6*5)+(5*7)+(4*9)+(3*0)+(2*4)+(1*0)=123
123 % 10 = 3
So 25790-40-3 is a valid CAS Registry Number.

25790-40-3Relevant articles and documents

Low-emission hardener for epoxy resins

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Page/Page column 17, (2016/01/09)

The present invention concerns a low-odor, low-viscosity hardener for epoxy resins comprising the amine of formula (I), as well as a method for thinning of hardeners for epoxy resins by adding the amine of formula (I). These hardeners harden with epoxy re

Benzylated Polyamine Curing Agents

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Paragraph 0076, (2013/04/10)

A curing agent composition including at least one benzylated polyamine compound. The benzylated polyamine compound is a reaction product of a benzaldehyde compound or benzyl halide compound and a polyamine according to the following formula: [in-line-formulae]H2N—CH2-A-CH2-NH2[/in-line-formulae] where A is a phenylene group or a cyclohexylene group. A method for making the curing agent composition and an amine-epoxy composition are also disclosed.

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