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1138018-23-1

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1138018-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1138018-23-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,8,0,1 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1138018-23:
(9*1)+(8*1)+(7*3)+(6*8)+(5*0)+(4*1)+(3*8)+(2*2)+(1*3)=121
121 % 10 = 1
So 1138018-23-1 is a valid CAS Registry Number.

1138018-23-1Relevant articles and documents

HIV PROTEASE INHIBITORS

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Page/Page column 84-85, (2009/05/29)

Compounds of Formula I are disclosed: (I), wherein XA, k, R1, R2, R3, R4, R5, R5A, R6, R6A, R7 and R8 are defined herein. The compounds encompassed by Formula I include compounds which are HIV protease inhibitors and other compounds which can be metabolized in vivo to HIV protease inhibitors. The compounds and their pharmaceutically acceptable salts are useful for the prophylaxis or treatment of infection by HIV and the prophylaxis, treatment, or delay in the onset of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antivirals, immunomodulators, antibiotics or vaccines.

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