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1444-93-5

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1444-93-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1444-93-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,4 and 4 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1444-93:
(6*1)+(5*4)+(4*4)+(3*4)+(2*9)+(1*3)=75
75 % 10 = 5
So 1444-93-5 is a valid CAS Registry Number.

1444-93-5Relevant articles and documents

Simple and efficient synthesis of new tricarboxylic acids bearing cyclohexane and norbornane fragments

Firstova,Kofanov,Krasovskaya,Danilova

, p. 867 - 869 (2017)

A synthesis new aryl alicyclic tricarboxylic acids bearing two carboxyl groups at either cyclohexane or norbornane fragment and one carboxyl group at the benzene ring was devel-oped. Tricarboxylic acids of this type are promising monomers for the synthesis of hetero-cyclic polymers.

Saturated heterocycle-condensed diphenylisoindolones: Fused-skeleton tetrahydro-1,3-oxazines, oxazolidines and imidazolidines

Sohar, Pal,Stajer, Geza,Szabo, Angela E.,Bernath, Gabor

, p. 187 - 195 (2007/10/03)

The addition of benzene to cis-4-cyclohexene-1,2-dicarboxylic anhydride yielded c-2-benzoyl-t-5-phenyl-r-1-cyclohexanecarboxylic acid (72%), or in another reaction, the 4-phenyl isomer (67%). With bifunctional reagents, saturated tricyclic or partially sa

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