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78674-40-5

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78674-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78674-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,7 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78674-40:
(7*7)+(6*8)+(5*6)+(4*7)+(3*4)+(2*4)+(1*0)=175
175 % 10 = 5
So 78674-40-5 is a valid CAS Registry Number.

78674-40-5Relevant articles and documents

SYNERGISM BETWEEN STEREOEOLECTRONIC AND STEREOPROTONIC EFFECTS IN THE ENZYMIC PEPTIDE BOND FORMATION

Stoineva, I. B.,Bojadziev, S. E.,Petkov, D. D.

, p. 6783 - 6788 (2007/10/02)

Synergism between stereoprotonic (an inherent preference for protonation/deprotonation in the lone pair direction) and stereoelectronic effects on the formation and breakdown of the tetrahedral intermediate has been demonstrated during the kinetically controlled enzymic aminolysis of specific esters by N-nucleophiles.While both N-methylated and N-unmethylated nucleophiles promote chymotrypsin anilide hydrolysis, the N-methylated nucleophiles do not aminolyse detectably acylchymotrypsin.

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