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126456-38-0

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126456-38-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126456-38-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,4,5 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 126456-38:
(8*1)+(7*2)+(6*6)+(5*4)+(4*5)+(3*6)+(2*3)+(1*8)=130
130 % 10 = 0
So 126456-38-0 is a valid CAS Registry Number.

126456-38-0Relevant articles and documents

Synthesis and antiviral activity of a series of HIV-1 protease inhibitors with functionality tethered to the P1 or P1'phenyl substituents: X-ray crystal structure assisted design

Thompson,Fitzgerald,Holloway,Emini,Darke,McKeever,Schleif,Quintero,Zugay,Tucker,Schwering,Homnick,Nunberg,Springer,Huff

, p. 1685 - 1701 (2007/10/02)

By tethering of a polar hydrophilic group to the P1 or P1' substituent of a Phe-based hydroxyethylene isostere, the antiviral potency of a series of HIV protease inhibitors was improved. The optimum enhancement of anti-HIV activity was observed with the 4-morpholinylethoxy substituent. The substituent effect is consistent with a model derived from inhibitor docked in the crystal structure of the native enzyme. An X-ray crystal structure of the inhibited enzyme determined to 2.25 A verifies the modeling predictions.

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