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23549-54-4

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23549-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23549-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,5,4 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 23549-54:
(7*2)+(6*3)+(5*5)+(4*4)+(3*9)+(2*5)+(1*4)=114
114 % 10 = 4
So 23549-54-4 is a valid CAS Registry Number.

23549-54-4Downstream Products

23549-54-4Relevant articles and documents

HYDROLYSIS OF BARBITURIC ACID DERIVATIVES.PART IV. HYDROLYSIS OF DERIVATIVES WITHOUT SHIELDING STERIC EFFECT

Mokrosz, Jerzy,Bojarski, Jacek

, p. 491 - 500 (2007/10/02)

Kinetics and products of hydrolysis of the monoanion form of three C-5 spirobarbiturates with 4-, 5- and 6-membered rings and 5,5-dimethylbarbituric acid have been investigated.The pKa values of these compounds were determined and the analysis of C=O stretching modes has been carried out.The effects of substituents at the C-5 carbon atom of barbituric acids on the rates of hydrolysis are discussed.

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