921790-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 921790-38-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,1,7,9 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 921790-38:
(8*9)+(7*2)+(6*1)+(5*7)+(4*9)+(3*0)+(2*3)+(1*8)=177
177 % 10 = 7
So 921790-38-7 is a valid CAS Registry Number.
921790-38-7Relevant articles and documents
HEPATITIS C INHIBITOR PEPTIDE ANALOGS
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Page/Page column 47, (2010/11/25)
The compounds of formula I wherein R1, R2, R3 , R4 and R5 are defined herein, are useful as inhibitors of the hepatitis C virus NS3 protease The invention further relates to azalactone compounds of the formula (II) which can be reacted with an amide anion to produce the HCV NS3 protease inhibitors of formula (I)