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71449-72-4

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71449-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71449-72-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,4,4 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 71449-72:
(7*7)+(6*1)+(5*4)+(4*4)+(3*9)+(2*7)+(1*2)=134
134 % 10 = 4
So 71449-72-4 is a valid CAS Registry Number.

71449-72-4Relevant articles and documents

Curable mixtures based on maleimides and propenyl-substituted phenols, and the use thereof

-

, (2008/06/13)

Curable mixtures of (a) maleimides of the general formula I STR1 wherein R is an n-valent aliphatic or aromatic radical, and n is the number 1, 2 or 3; and (b) mono- or polyvalent phenols which contain in the molecule at least one 1-propenyl group in the ortho- or para-position with respect to the hydroxyl group, or isomeric mixtures of mono- or polyvalent phenols which are propenyl-substituted in the ortho- or para-position and mono- or polyvalent phenols which are allyl-substituted in the ortho- or para-position, the proportion of propenyl groups in the isomeric mixture having to be at least 5 equivalent-%, relative to the sum of the equivalents of propenyl and allyl groups. The novel mixtures cure at elevated temperatures relatively rapidly, and produce molded materials having valuable mechanical properties.

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