656236-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 656236-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,6,2,3 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 656236-05:
(8*6)+(7*5)+(6*6)+(5*2)+(4*3)+(3*6)+(2*0)+(1*5)=164
164 % 10 = 4
So 656236-05-4 is a valid CAS Registry Number.
656236-05-4Relevant articles and documents
BROADSPECTRUM 2-AMINO-BENZOTHIAZOLE SULFONAMIDE HIV PROTEASE INHIBITORS
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Page/Page column 28, (2008/06/13)
The present invention relates to the use of 2-amino-benzothiazoles, having the formula (I) wherein R1 is hexahydrofuro[2,3-b]furanyl, tetrahydrofuranyl, oxazolyl, thiazolyl, pyridinyl, or phenyl optionally substituted with one or more substitue