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89499-13-8

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89499-13-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89499-13-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,9 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 89499-13:
(7*8)+(6*9)+(5*4)+(4*9)+(3*9)+(2*1)+(1*3)=198
198 % 10 = 8
So 89499-13-8 is a valid CAS Registry Number.

89499-13-8Relevant articles and documents

Urea cycle: Chemical simulation of arginine biosynthesis

Ranganathan,Rathi

, p. 2351 - 2354 (2007/10/02)

We have successfully simulated the salient features of the urea cycle. In this effort an appropriately protected ornithine was transformed to citrulline, via use of a novel amide transfer reagent; the citrulline, in turn, was converted into argininosuccinate which necessitated a new activation procedure to enable acceptance of dimethyl aspartate. Fragmentation of argininosuccinate under carefully controlled conditions afforded arginine. The final step in the cycle, namely, the hydrolysis of arginine to urea and ornithine, has already been accomplished. Amino group transfer from aspartate has also been demonstrated in the conversion of hypoxanthine to adenine.

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